All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] Input: synaptics-rmi4 - fix compiler warnings in F11
@ 2014-07-23  6:11 Dmitry Torokhov
  2014-07-24  1:41   ` Christopher Heiny
  0 siblings, 1 reply; 6+ messages in thread
From: Dmitry Torokhov @ 2014-07-23  6:11 UTC (permalink / raw)
  To: linux-input
  Cc: Christopher Heiny, Andrew Duggan, Benjamin Tissoires, linux-kernel

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/input/rmi4/rmi_f11.c | 135 +++++++++++++++++++++++--------------------
 1 file changed, 71 insertions(+), 64 deletions(-)

diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
index b739d31..7af4f68 100644
--- a/drivers/input/rmi4/rmi_f11.c
+++ b/drivers/input/rmi4/rmi_f11.c
@@ -553,7 +553,7 @@ struct f11_data {
 	unsigned long *result_bits;
 };
 
-enum finger_state_values {
+enum f11_finger_state {
 	F11_NO_FINGER	= 0x00,
 	F11_PRESENT	= 0x01,
 	F11_INACCURATE	= 0x02,
@@ -563,12 +563,14 @@ enum finger_state_values {
 /** F11_INACCURATE state is overloaded to indicate pen present. */
 #define F11_PEN F11_INACCURATE
 
-static int get_tool_type(struct f11_2d_sensor *sensor, u8 finger_state)
+static int rmi_f11_get_tool_type(struct f11_2d_sensor *sensor,
+				 enum f11_finger_state finger_state)
 {
 	if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
 			sensor->sens_query.has_pen &&
 			finger_state == F11_PEN)
 		return MT_TOOL_PEN;
+
 	return MT_TOOL_FINGER;
 }
 
@@ -603,36 +605,32 @@ static void rmi_f11_rel_pos_report(struct f11_2d_sensor *sensor, u8 n_finger)
 
 static void rmi_f11_abs_pos_report(struct f11_data *f11,
 				   struct f11_2d_sensor *sensor,
-				   u8 finger_state, u8 n_finger)
+				   enum f11_finger_state finger_state,
+				   u8 n_finger)
 {
 	struct f11_2d_data *data = &sensor->data;
+	struct input_dev *input = sensor->input;
 	struct rmi_f11_2d_axis_alignment *axis_align = &sensor->axis_align;
+	u8 *pos_data = &data->abs_pos[n_finger * RMI_F11_ABS_BYTES];
 	u16 x, y, z;
 	int w_x, w_y, w_max, w_min, orient;
-	int temp;
-	u8 abs_base = n_finger * RMI_F11_ABS_BYTES;
+	int tool_type = rmi_f11_get_tool_type(sensor, finger_state);
+
+	if (sensor->type_a) {
+		input_report_abs(input, ABS_MT_TRACKING_ID, n_finger);
+		input_report_abs(input, ABS_MT_TOOL_TYPE, tool_type);
+	} else {
+		input_mt_slot(input, n_finger);
+		input_mt_report_slot_state(input, tool_type,
+					   finger_state != F11_NO_FINGER);
+	}
 
 	if (finger_state) {
-		x = (data->abs_pos[abs_base] << 4) |
-			(data->abs_pos[abs_base + 2] & 0x0F);
-		y = (data->abs_pos[abs_base + 1] << 4) |
-			(data->abs_pos[abs_base + 2] >> 4);
-		w_x = data->abs_pos[abs_base + 3] & 0x0F;
-		w_y = data->abs_pos[abs_base + 3] >> 4;
-		w_max = max(w_x, w_y);
-		w_min = min(w_x, w_y);
-		z = data->abs_pos[abs_base + 4];
-
-		if (axis_align->swap_axes) {
-			temp = x;
-			x = y;
-			y = temp;
-			temp = w_x;
-			w_x = w_y;
-			w_y = temp;
-		}
+		x = (pos_data[0] << 4) | (pos_data[2] & 0x0F);
+		y = (pos_data[1] << 4) | (pos_data[2] >> 4);
 
-		orient = w_x > w_y ? 1 : 0;
+		if (axis_align->swap_axes)
+			swap(x, y);
 
 		if (axis_align->flip_x)
 			x = max(sensor->max_x - x, 0);
@@ -641,13 +639,13 @@ static void rmi_f11_abs_pos_report(struct f11_data *f11,
 			y = max(sensor->max_y - y, 0);
 
 		/*
-		* here checking if X offset or y offset are specified is
-		*  redundant.  We just add the offsets or, clip the values
-		*
-		* note: offsets need to be done before clipping occurs,
-		* or we could get funny values that are outside
-		* clipping boundaries.
-		*/
+		 * Here checking if X offset or y offset are specified is
+		 * redundant. We just add the offsets or clip the values.
+		 *
+		 * Note: offsets need to be applied before clipping occurs,
+		 * or we could get funny values that are outside of
+		 * clipping boundaries.
+		 */
 		x += axis_align->offset_x;
 		y += axis_align->offset_y;
 		x =  max(axis_align->clip_x_low, x);
@@ -657,41 +655,44 @@ static void rmi_f11_abs_pos_report(struct f11_data *f11,
 		if (axis_align->clip_y_high)
 			y =  min(axis_align->clip_y_high, y);
 
-	}
+		w_x = pos_data[3] & 0x0f;
+		w_y = pos_data[3] >> 4;
 
-	/* Some UIs ignore W of zero, so we fudge it to 1 for pens.  This
-	 * only appears to be an issue when reporting pens, not plain old
-	 * fingers. */
-	if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
-			get_tool_type(sensor, finger_state) == MT_TOOL_PEN) {
-		w_max = max(1, w_max);
-		w_min = max(1, w_min);
-	}
+		if (axis_align->swap_axes)
+			swap(w_x, w_y);
 
-	if (sensor->type_a) {
-		input_report_abs(sensor->input, ABS_MT_TRACKING_ID, n_finger);
-		input_report_abs(sensor->input, ABS_MT_TOOL_TYPE,
-					get_tool_type(sensor, finger_state));
-	} else {
-		input_mt_slot(sensor->input, n_finger);
-		input_mt_report_slot_state(sensor->input,
-			get_tool_type(sensor, finger_state), finger_state);
-	}
+		orient = w_x > w_y ? 1 : 0;
+
+		w_max = max(w_x, w_y);
+		w_min = min(w_x, w_y);
+
+		/*
+		 * Some UIs ignore W of zero, so we fudge it to 1 for pens.  This
+		 * only appears to be an issue when reporting pens, not plain old
+		 * fingers.
+		 */
+		if (tool_type == MT_TOOL_PEN) {
+			w_max = max(1, w_max);
+			w_min = max(1, w_min);
+		}
+
+		z = pos_data[4];
+
+		input_report_abs(input, ABS_MT_PRESSURE, z);
+		input_report_abs(input, ABS_MT_TOUCH_MAJOR, w_max);
+		input_report_abs(input, ABS_MT_TOUCH_MINOR, w_min);
+		input_report_abs(input, ABS_MT_ORIENTATION, orient);
+		input_report_abs(input, ABS_MT_POSITION_X, x);
+		input_report_abs(input, ABS_MT_POSITION_Y, y);
 
-	if (finger_state) {
-		input_report_abs(sensor->input, ABS_MT_PRESSURE, z);
-		input_report_abs(sensor->input, ABS_MT_TOUCH_MAJOR, w_max);
-		input_report_abs(sensor->input, ABS_MT_TOUCH_MINOR, w_min);
-		input_report_abs(sensor->input, ABS_MT_ORIENTATION, orient);
-		input_report_abs(sensor->input, ABS_MT_POSITION_X, x);
-		input_report_abs(sensor->input, ABS_MT_POSITION_Y, y);
 		dev_dbg(&sensor->fn->dev,
 			"finger[%d]:%d - x:%d y:%d z:%d w_max:%d w_min:%d\n",
 			n_finger, finger_state, x, y, z, w_max, w_min);
 	}
+
 	/* MT sync between fingers */
 	if (sensor->type_a)
-		input_mt_sync(sensor->input);
+		input_mt_sync(input);
 }
 
 static void rmi_f11_finger_handler(struct f11_data *f11,
@@ -710,25 +711,31 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
 		/* Possible of having 4 fingers per f_statet register */
 		finger_state = (f_state[i / 4] >> (2 * (i % 4))) &
 					FINGER_STATE_MASK;
-		if (finger_state == F11_RESERVED) {
-			pr_err("%s: Invalid finger state[%d]:0x%02x.", __func__,
-					i, finger_state);
+		switch (finger_state) {
+		case F11_RESERVED:
+			pr_err("Invalid finger state[%d]: 0x%02x", i, finger_state);
 			continue;
-		} else if ((finger_state == F11_PRESENT) ||
-				(finger_state == F11_INACCURATE)) {
+
+		case F11_PRESENT:
+		case F11_INACCURATE:
 			finger_pressed_count++;
+			break;
+
+		case F11_NO_FINGER:
+			break;
 		}
 
 		abs_bits = bitmap_and(f11->result_bits, irq_bits, f11->abs_mask,
-				num_irq_regs);
+				      num_irq_regs);
 		if (abs_bits)
 			rmi_f11_abs_pos_report(f11, sensor, finger_state, i);
 
 		rel_bits = bitmap_and(f11->result_bits, irq_bits, f11->rel_mask,
-				num_irq_regs);
+				      num_irq_regs);
 		if (rel_bits)
 			rmi_f11_rel_pos_report(sensor, i);
 	}
+
 	input_mt_sync_frame(sensor->input);
 	input_sync(sensor->input);
 }
-- 
2.0.0.526.g5318336


-- 
Dmitry

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] Input: synaptics-rmi4 - fix compiler warnings in F11
  2014-07-23  6:11 [PATCH] Input: synaptics-rmi4 - fix compiler warnings in F11 Dmitry Torokhov
@ 2014-07-24  1:41   ` Christopher Heiny
  0 siblings, 0 replies; 6+ messages in thread
From: Christopher Heiny @ 2014-07-24  1:41 UTC (permalink / raw)
  To: Dmitry Torokhov, linux-input
  Cc: Andrew Duggan, Benjamin Tissoires, linux-kernel

On 07/22/2014 11:11 PM, Dmitry Torokhov wrote:
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

I've reviewed this, and can say:

Acked-by: Christopher Heiny <cheiny@synaptics.com>

but I haven't had a chance to apply it to my build tree.

Andrew - I'll be OOO for a couple of days.  Can you do that, and add a 
Tested-by: or rev the patch, as appropriate?

				Thanks,
					Chris

> ---
>   drivers/input/rmi4/rmi_f11.c | 135 +++++++++++++++++++++++--------------------
>   1 file changed, 71 insertions(+), 64 deletions(-)
>
> diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
> index b739d31..7af4f68 100644
> --- a/drivers/input/rmi4/rmi_f11.c
> +++ b/drivers/input/rmi4/rmi_f11.c
> @@ -553,7 +553,7 @@ struct f11_data {
>   	unsigned long *result_bits;
>   };
>
> -enum finger_state_values {
> +enum f11_finger_state {
>   	F11_NO_FINGER	= 0x00,
>   	F11_PRESENT	= 0x01,
>   	F11_INACCURATE	= 0x02,
> @@ -563,12 +563,14 @@ enum finger_state_values {
>   /** F11_INACCURATE state is overloaded to indicate pen present. */
>   #define F11_PEN F11_INACCURATE
>
> -static int get_tool_type(struct f11_2d_sensor *sensor, u8 finger_state)
> +static int rmi_f11_get_tool_type(struct f11_2d_sensor *sensor,
> +				 enum f11_finger_state finger_state)
>   {
>   	if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
>   			sensor->sens_query.has_pen &&
>   			finger_state == F11_PEN)
>   		return MT_TOOL_PEN;
> +
>   	return MT_TOOL_FINGER;
>   }
>
> @@ -603,36 +605,32 @@ static void rmi_f11_rel_pos_report(struct f11_2d_sensor *sensor, u8 n_finger)
>
>   static void rmi_f11_abs_pos_report(struct f11_data *f11,
>   				   struct f11_2d_sensor *sensor,
> -				   u8 finger_state, u8 n_finger)
> +				   enum f11_finger_state finger_state,
> +				   u8 n_finger)
>   {
>   	struct f11_2d_data *data = &sensor->data;
> +	struct input_dev *input = sensor->input;
>   	struct rmi_f11_2d_axis_alignment *axis_align = &sensor->axis_align;
> +	u8 *pos_data = &data->abs_pos[n_finger * RMI_F11_ABS_BYTES];
>   	u16 x, y, z;
>   	int w_x, w_y, w_max, w_min, orient;
> -	int temp;
> -	u8 abs_base = n_finger * RMI_F11_ABS_BYTES;
> +	int tool_type = rmi_f11_get_tool_type(sensor, finger_state);
> +
> +	if (sensor->type_a) {
> +		input_report_abs(input, ABS_MT_TRACKING_ID, n_finger);
> +		input_report_abs(input, ABS_MT_TOOL_TYPE, tool_type);
> +	} else {
> +		input_mt_slot(input, n_finger);
> +		input_mt_report_slot_state(input, tool_type,
> +					   finger_state != F11_NO_FINGER);
> +	}
>
>   	if (finger_state) {
> -		x = (data->abs_pos[abs_base] << 4) |
> -			(data->abs_pos[abs_base + 2] & 0x0F);
> -		y = (data->abs_pos[abs_base + 1] << 4) |
> -			(data->abs_pos[abs_base + 2] >> 4);
> -		w_x = data->abs_pos[abs_base + 3] & 0x0F;
> -		w_y = data->abs_pos[abs_base + 3] >> 4;
> -		w_max = max(w_x, w_y);
> -		w_min = min(w_x, w_y);
> -		z = data->abs_pos[abs_base + 4];
> -
> -		if (axis_align->swap_axes) {
> -			temp = x;
> -			x = y;
> -			y = temp;
> -			temp = w_x;
> -			w_x = w_y;
> -			w_y = temp;
> -		}
> +		x = (pos_data[0] << 4) | (pos_data[2] & 0x0F);
> +		y = (pos_data[1] << 4) | (pos_data[2] >> 4);
>
> -		orient = w_x > w_y ? 1 : 0;
> +		if (axis_align->swap_axes)
> +			swap(x, y);
>
>   		if (axis_align->flip_x)
>   			x = max(sensor->max_x - x, 0);
> @@ -641,13 +639,13 @@ static void rmi_f11_abs_pos_report(struct f11_data *f11,
>   			y = max(sensor->max_y - y, 0);
>
>   		/*
> -		* here checking if X offset or y offset are specified is
> -		*  redundant.  We just add the offsets or, clip the values
> -		*
> -		* note: offsets need to be done before clipping occurs,
> -		* or we could get funny values that are outside
> -		* clipping boundaries.
> -		*/
> +		 * Here checking if X offset or y offset are specified is
> +		 * redundant. We just add the offsets or clip the values.
> +		 *
> +		 * Note: offsets need to be applied before clipping occurs,
> +		 * or we could get funny values that are outside of
> +		 * clipping boundaries.
> +		 */
>   		x += axis_align->offset_x;
>   		y += axis_align->offset_y;
>   		x =  max(axis_align->clip_x_low, x);
> @@ -657,41 +655,44 @@ static void rmi_f11_abs_pos_report(struct f11_data *f11,
>   		if (axis_align->clip_y_high)
>   			y =  min(axis_align->clip_y_high, y);
>
> -	}
> +		w_x = pos_data[3] & 0x0f;
> +		w_y = pos_data[3] >> 4;
>
> -	/* Some UIs ignore W of zero, so we fudge it to 1 for pens.  This
> -	 * only appears to be an issue when reporting pens, not plain old
> -	 * fingers. */
> -	if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
> -			get_tool_type(sensor, finger_state) == MT_TOOL_PEN) {
> -		w_max = max(1, w_max);
> -		w_min = max(1, w_min);
> -	}
> +		if (axis_align->swap_axes)
> +			swap(w_x, w_y);
>
> -	if (sensor->type_a) {
> -		input_report_abs(sensor->input, ABS_MT_TRACKING_ID, n_finger);
> -		input_report_abs(sensor->input, ABS_MT_TOOL_TYPE,
> -					get_tool_type(sensor, finger_state));
> -	} else {
> -		input_mt_slot(sensor->input, n_finger);
> -		input_mt_report_slot_state(sensor->input,
> -			get_tool_type(sensor, finger_state), finger_state);
> -	}
> +		orient = w_x > w_y ? 1 : 0;
> +
> +		w_max = max(w_x, w_y);
> +		w_min = min(w_x, w_y);
> +
> +		/*
> +		 * Some UIs ignore W of zero, so we fudge it to 1 for pens.  This
> +		 * only appears to be an issue when reporting pens, not plain old
> +		 * fingers.
> +		 */
> +		if (tool_type == MT_TOOL_PEN) {
> +			w_max = max(1, w_max);
> +			w_min = max(1, w_min);
> +		}
> +
> +		z = pos_data[4];
> +
> +		input_report_abs(input, ABS_MT_PRESSURE, z);
> +		input_report_abs(input, ABS_MT_TOUCH_MAJOR, w_max);
> +		input_report_abs(input, ABS_MT_TOUCH_MINOR, w_min);
> +		input_report_abs(input, ABS_MT_ORIENTATION, orient);
> +		input_report_abs(input, ABS_MT_POSITION_X, x);
> +		input_report_abs(input, ABS_MT_POSITION_Y, y);
>
> -	if (finger_state) {
> -		input_report_abs(sensor->input, ABS_MT_PRESSURE, z);
> -		input_report_abs(sensor->input, ABS_MT_TOUCH_MAJOR, w_max);
> -		input_report_abs(sensor->input, ABS_MT_TOUCH_MINOR, w_min);
> -		input_report_abs(sensor->input, ABS_MT_ORIENTATION, orient);
> -		input_report_abs(sensor->input, ABS_MT_POSITION_X, x);
> -		input_report_abs(sensor->input, ABS_MT_POSITION_Y, y);
>   		dev_dbg(&sensor->fn->dev,
>   			"finger[%d]:%d - x:%d y:%d z:%d w_max:%d w_min:%d\n",
>   			n_finger, finger_state, x, y, z, w_max, w_min);
>   	}
> +
>   	/* MT sync between fingers */
>   	if (sensor->type_a)
> -		input_mt_sync(sensor->input);
> +		input_mt_sync(input);
>   }
>
>   static void rmi_f11_finger_handler(struct f11_data *f11,
> @@ -710,25 +711,31 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
>   		/* Possible of having 4 fingers per f_statet register */
>   		finger_state = (f_state[i / 4] >> (2 * (i % 4))) &
>   					FINGER_STATE_MASK;
> -		if (finger_state == F11_RESERVED) {
> -			pr_err("%s: Invalid finger state[%d]:0x%02x.", __func__,
> -					i, finger_state);
> +		switch (finger_state) {
> +		case F11_RESERVED:
> +			pr_err("Invalid finger state[%d]: 0x%02x", i, finger_state);
>   			continue;
> -		} else if ((finger_state == F11_PRESENT) ||
> -				(finger_state == F11_INACCURATE)) {
> +
> +		case F11_PRESENT:
> +		case F11_INACCURATE:
>   			finger_pressed_count++;
> +			break;
> +
> +		case F11_NO_FINGER:
> +			break;
>   		}
>
>   		abs_bits = bitmap_and(f11->result_bits, irq_bits, f11->abs_mask,
> -				num_irq_regs);
> +				      num_irq_regs);
>   		if (abs_bits)
>   			rmi_f11_abs_pos_report(f11, sensor, finger_state, i);
>
>   		rel_bits = bitmap_and(f11->result_bits, irq_bits, f11->rel_mask,
> -				num_irq_regs);
> +				      num_irq_regs);
>   		if (rel_bits)
>   			rmi_f11_rel_pos_report(sensor, i);
>   	}
> +
>   	input_mt_sync_frame(sensor->input);
>   	input_sync(sensor->input);
>   }
>


-- 

Christopher Heiny
Senior Staff Firmware Engineer
Synaptics Incorporated

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] Input: synaptics-rmi4 - fix compiler warnings in F11
@ 2014-07-24  1:41   ` Christopher Heiny
  0 siblings, 0 replies; 6+ messages in thread
From: Christopher Heiny @ 2014-07-24  1:41 UTC (permalink / raw)
  To: Dmitry Torokhov, linux-input
  Cc: Andrew Duggan, Benjamin Tissoires, linux-kernel

On 07/22/2014 11:11 PM, Dmitry Torokhov wrote:
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

I've reviewed this, and can say:

Acked-by: Christopher Heiny <cheiny@synaptics.com>

but I haven't had a chance to apply it to my build tree.

Andrew - I'll be OOO for a couple of days.  Can you do that, and add a 
Tested-by: or rev the patch, as appropriate?

				Thanks,
					Chris

> ---
>   drivers/input/rmi4/rmi_f11.c | 135 +++++++++++++++++++++++--------------------
>   1 file changed, 71 insertions(+), 64 deletions(-)
>
> diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
> index b739d31..7af4f68 100644
> --- a/drivers/input/rmi4/rmi_f11.c
> +++ b/drivers/input/rmi4/rmi_f11.c
> @@ -553,7 +553,7 @@ struct f11_data {
>   	unsigned long *result_bits;
>   };
>
> -enum finger_state_values {
> +enum f11_finger_state {
>   	F11_NO_FINGER	= 0x00,
>   	F11_PRESENT	= 0x01,
>   	F11_INACCURATE	= 0x02,
> @@ -563,12 +563,14 @@ enum finger_state_values {
>   /** F11_INACCURATE state is overloaded to indicate pen present. */
>   #define F11_PEN F11_INACCURATE
>
> -static int get_tool_type(struct f11_2d_sensor *sensor, u8 finger_state)
> +static int rmi_f11_get_tool_type(struct f11_2d_sensor *sensor,
> +				 enum f11_finger_state finger_state)
>   {
>   	if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
>   			sensor->sens_query.has_pen &&
>   			finger_state == F11_PEN)
>   		return MT_TOOL_PEN;
> +
>   	return MT_TOOL_FINGER;
>   }
>
> @@ -603,36 +605,32 @@ static void rmi_f11_rel_pos_report(struct f11_2d_sensor *sensor, u8 n_finger)
>
>   static void rmi_f11_abs_pos_report(struct f11_data *f11,
>   				   struct f11_2d_sensor *sensor,
> -				   u8 finger_state, u8 n_finger)
> +				   enum f11_finger_state finger_state,
> +				   u8 n_finger)
>   {
>   	struct f11_2d_data *data = &sensor->data;
> +	struct input_dev *input = sensor->input;
>   	struct rmi_f11_2d_axis_alignment *axis_align = &sensor->axis_align;
> +	u8 *pos_data = &data->abs_pos[n_finger * RMI_F11_ABS_BYTES];
>   	u16 x, y, z;
>   	int w_x, w_y, w_max, w_min, orient;
> -	int temp;
> -	u8 abs_base = n_finger * RMI_F11_ABS_BYTES;
> +	int tool_type = rmi_f11_get_tool_type(sensor, finger_state);
> +
> +	if (sensor->type_a) {
> +		input_report_abs(input, ABS_MT_TRACKING_ID, n_finger);
> +		input_report_abs(input, ABS_MT_TOOL_TYPE, tool_type);
> +	} else {
> +		input_mt_slot(input, n_finger);
> +		input_mt_report_slot_state(input, tool_type,
> +					   finger_state != F11_NO_FINGER);
> +	}
>
>   	if (finger_state) {
> -		x = (data->abs_pos[abs_base] << 4) |
> -			(data->abs_pos[abs_base + 2] & 0x0F);
> -		y = (data->abs_pos[abs_base + 1] << 4) |
> -			(data->abs_pos[abs_base + 2] >> 4);
> -		w_x = data->abs_pos[abs_base + 3] & 0x0F;
> -		w_y = data->abs_pos[abs_base + 3] >> 4;
> -		w_max = max(w_x, w_y);
> -		w_min = min(w_x, w_y);
> -		z = data->abs_pos[abs_base + 4];
> -
> -		if (axis_align->swap_axes) {
> -			temp = x;
> -			x = y;
> -			y = temp;
> -			temp = w_x;
> -			w_x = w_y;
> -			w_y = temp;
> -		}
> +		x = (pos_data[0] << 4) | (pos_data[2] & 0x0F);
> +		y = (pos_data[1] << 4) | (pos_data[2] >> 4);
>
> -		orient = w_x > w_y ? 1 : 0;
> +		if (axis_align->swap_axes)
> +			swap(x, y);
>
>   		if (axis_align->flip_x)
>   			x = max(sensor->max_x - x, 0);
> @@ -641,13 +639,13 @@ static void rmi_f11_abs_pos_report(struct f11_data *f11,
>   			y = max(sensor->max_y - y, 0);
>
>   		/*
> -		* here checking if X offset or y offset are specified is
> -		*  redundant.  We just add the offsets or, clip the values
> -		*
> -		* note: offsets need to be done before clipping occurs,
> -		* or we could get funny values that are outside
> -		* clipping boundaries.
> -		*/
> +		 * Here checking if X offset or y offset are specified is
> +		 * redundant. We just add the offsets or clip the values.
> +		 *
> +		 * Note: offsets need to be applied before clipping occurs,
> +		 * or we could get funny values that are outside of
> +		 * clipping boundaries.
> +		 */
>   		x += axis_align->offset_x;
>   		y += axis_align->offset_y;
>   		x =  max(axis_align->clip_x_low, x);
> @@ -657,41 +655,44 @@ static void rmi_f11_abs_pos_report(struct f11_data *f11,
>   		if (axis_align->clip_y_high)
>   			y =  min(axis_align->clip_y_high, y);
>
> -	}
> +		w_x = pos_data[3] & 0x0f;
> +		w_y = pos_data[3] >> 4;
>
> -	/* Some UIs ignore W of zero, so we fudge it to 1 for pens.  This
> -	 * only appears to be an issue when reporting pens, not plain old
> -	 * fingers. */
> -	if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
> -			get_tool_type(sensor, finger_state) == MT_TOOL_PEN) {
> -		w_max = max(1, w_max);
> -		w_min = max(1, w_min);
> -	}
> +		if (axis_align->swap_axes)
> +			swap(w_x, w_y);
>
> -	if (sensor->type_a) {
> -		input_report_abs(sensor->input, ABS_MT_TRACKING_ID, n_finger);
> -		input_report_abs(sensor->input, ABS_MT_TOOL_TYPE,
> -					get_tool_type(sensor, finger_state));
> -	} else {
> -		input_mt_slot(sensor->input, n_finger);
> -		input_mt_report_slot_state(sensor->input,
> -			get_tool_type(sensor, finger_state), finger_state);
> -	}
> +		orient = w_x > w_y ? 1 : 0;
> +
> +		w_max = max(w_x, w_y);
> +		w_min = min(w_x, w_y);
> +
> +		/*
> +		 * Some UIs ignore W of zero, so we fudge it to 1 for pens.  This
> +		 * only appears to be an issue when reporting pens, not plain old
> +		 * fingers.
> +		 */
> +		if (tool_type == MT_TOOL_PEN) {
> +			w_max = max(1, w_max);
> +			w_min = max(1, w_min);
> +		}
> +
> +		z = pos_data[4];
> +
> +		input_report_abs(input, ABS_MT_PRESSURE, z);
> +		input_report_abs(input, ABS_MT_TOUCH_MAJOR, w_max);
> +		input_report_abs(input, ABS_MT_TOUCH_MINOR, w_min);
> +		input_report_abs(input, ABS_MT_ORIENTATION, orient);
> +		input_report_abs(input, ABS_MT_POSITION_X, x);
> +		input_report_abs(input, ABS_MT_POSITION_Y, y);
>
> -	if (finger_state) {
> -		input_report_abs(sensor->input, ABS_MT_PRESSURE, z);
> -		input_report_abs(sensor->input, ABS_MT_TOUCH_MAJOR, w_max);
> -		input_report_abs(sensor->input, ABS_MT_TOUCH_MINOR, w_min);
> -		input_report_abs(sensor->input, ABS_MT_ORIENTATION, orient);
> -		input_report_abs(sensor->input, ABS_MT_POSITION_X, x);
> -		input_report_abs(sensor->input, ABS_MT_POSITION_Y, y);
>   		dev_dbg(&sensor->fn->dev,
>   			"finger[%d]:%d - x:%d y:%d z:%d w_max:%d w_min:%d\n",
>   			n_finger, finger_state, x, y, z, w_max, w_min);
>   	}
> +
>   	/* MT sync between fingers */
>   	if (sensor->type_a)
> -		input_mt_sync(sensor->input);
> +		input_mt_sync(input);
>   }
>
>   static void rmi_f11_finger_handler(struct f11_data *f11,
> @@ -710,25 +711,31 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
>   		/* Possible of having 4 fingers per f_statet register */
>   		finger_state = (f_state[i / 4] >> (2 * (i % 4))) &
>   					FINGER_STATE_MASK;
> -		if (finger_state == F11_RESERVED) {
> -			pr_err("%s: Invalid finger state[%d]:0x%02x.", __func__,
> -					i, finger_state);
> +		switch (finger_state) {
> +		case F11_RESERVED:
> +			pr_err("Invalid finger state[%d]: 0x%02x", i, finger_state);
>   			continue;
> -		} else if ((finger_state == F11_PRESENT) ||
> -				(finger_state == F11_INACCURATE)) {
> +
> +		case F11_PRESENT:
> +		case F11_INACCURATE:
>   			finger_pressed_count++;
> +			break;
> +
> +		case F11_NO_FINGER:
> +			break;
>   		}
>
>   		abs_bits = bitmap_and(f11->result_bits, irq_bits, f11->abs_mask,
> -				num_irq_regs);
> +				      num_irq_regs);
>   		if (abs_bits)
>   			rmi_f11_abs_pos_report(f11, sensor, finger_state, i);
>
>   		rel_bits = bitmap_and(f11->result_bits, irq_bits, f11->rel_mask,
> -				num_irq_regs);
> +				      num_irq_regs);
>   		if (rel_bits)
>   			rmi_f11_rel_pos_report(sensor, i);
>   	}
> +
>   	input_mt_sync_frame(sensor->input);
>   	input_sync(sensor->input);
>   }
>


-- 

Christopher Heiny
Senior Staff Firmware Engineer
Synaptics Incorporated

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] Input: synaptics-rmi4 - fix compiler warnings in F11
  2014-07-24  1:41   ` Christopher Heiny
@ 2014-07-24 20:08     ` Andrew Duggan
  -1 siblings, 0 replies; 6+ messages in thread
From: Andrew Duggan @ 2014-07-24 20:08 UTC (permalink / raw)
  To: Christopher Heiny, Dmitry Torokhov, linux-input
  Cc: Benjamin Tissoires, linux-kernel

On 07/23/2014 06:41 PM, Christopher Heiny wrote:
> On 07/22/2014 11:11 PM, Dmitry Torokhov wrote:
>> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
>
> I've reviewed this, and can say:
>
> Acked-by: Christopher Heiny <cheiny@synaptics.com>
>
> but I haven't had a chance to apply it to my build tree.
>
> Andrew - I'll be OOO for a couple of days.  Can you do that, and add a 
> Tested-by: or rev the patch, as appropriate?
>
>                 Thanks,
>                     Chris
>
It compiles cleanly and works on my test system.

Tested-by: Andrew Duggan <aduggan@synaptics.com>
>> ---
>>   drivers/input/rmi4/rmi_f11.c | 135 
>> +++++++++++++++++++++++--------------------
>>   1 file changed, 71 insertions(+), 64 deletions(-)
>>
>> diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
>> index b739d31..7af4f68 100644
>> --- a/drivers/input/rmi4/rmi_f11.c
>> +++ b/drivers/input/rmi4/rmi_f11.c
>> @@ -553,7 +553,7 @@ struct f11_data {
>>       unsigned long *result_bits;
>>   };
>>
>> -enum finger_state_values {
>> +enum f11_finger_state {
>>       F11_NO_FINGER    = 0x00,
>>       F11_PRESENT    = 0x01,
>>       F11_INACCURATE    = 0x02,
>> @@ -563,12 +563,14 @@ enum finger_state_values {
>>   /** F11_INACCURATE state is overloaded to indicate pen present. */
>>   #define F11_PEN F11_INACCURATE
>>
>> -static int get_tool_type(struct f11_2d_sensor *sensor, u8 finger_state)
>> +static int rmi_f11_get_tool_type(struct f11_2d_sensor *sensor,
>> +                 enum f11_finger_state finger_state)
>>   {
>>       if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
>>               sensor->sens_query.has_pen &&
>>               finger_state == F11_PEN)
>>           return MT_TOOL_PEN;
>> +
>>       return MT_TOOL_FINGER;
>>   }
>>
>> @@ -603,36 +605,32 @@ static void rmi_f11_rel_pos_report(struct 
>> f11_2d_sensor *sensor, u8 n_finger)
>>
>>   static void rmi_f11_abs_pos_report(struct f11_data *f11,
>>                      struct f11_2d_sensor *sensor,
>> -                   u8 finger_state, u8 n_finger)
>> +                   enum f11_finger_state finger_state,
>> +                   u8 n_finger)
>>   {
>>       struct f11_2d_data *data = &sensor->data;
>> +    struct input_dev *input = sensor->input;
>>       struct rmi_f11_2d_axis_alignment *axis_align = 
>> &sensor->axis_align;
>> +    u8 *pos_data = &data->abs_pos[n_finger * RMI_F11_ABS_BYTES];
>>       u16 x, y, z;
>>       int w_x, w_y, w_max, w_min, orient;
>> -    int temp;
>> -    u8 abs_base = n_finger * RMI_F11_ABS_BYTES;
>> +    int tool_type = rmi_f11_get_tool_type(sensor, finger_state);
>> +
>> +    if (sensor->type_a) {
>> +        input_report_abs(input, ABS_MT_TRACKING_ID, n_finger);
>> +        input_report_abs(input, ABS_MT_TOOL_TYPE, tool_type);
>> +    } else {
>> +        input_mt_slot(input, n_finger);
>> +        input_mt_report_slot_state(input, tool_type,
>> +                       finger_state != F11_NO_FINGER);
>> +    }
>>
>>       if (finger_state) {
>> -        x = (data->abs_pos[abs_base] << 4) |
>> -            (data->abs_pos[abs_base + 2] & 0x0F);
>> -        y = (data->abs_pos[abs_base + 1] << 4) |
>> -            (data->abs_pos[abs_base + 2] >> 4);
>> -        w_x = data->abs_pos[abs_base + 3] & 0x0F;
>> -        w_y = data->abs_pos[abs_base + 3] >> 4;
>> -        w_max = max(w_x, w_y);
>> -        w_min = min(w_x, w_y);
>> -        z = data->abs_pos[abs_base + 4];
>> -
>> -        if (axis_align->swap_axes) {
>> -            temp = x;
>> -            x = y;
>> -            y = temp;
>> -            temp = w_x;
>> -            w_x = w_y;
>> -            w_y = temp;
>> -        }
>> +        x = (pos_data[0] << 4) | (pos_data[2] & 0x0F);
>> +        y = (pos_data[1] << 4) | (pos_data[2] >> 4);
>>
>> -        orient = w_x > w_y ? 1 : 0;
>> +        if (axis_align->swap_axes)
>> +            swap(x, y);
>>
>>           if (axis_align->flip_x)
>>               x = max(sensor->max_x - x, 0);
>> @@ -641,13 +639,13 @@ static void rmi_f11_abs_pos_report(struct 
>> f11_data *f11,
>>               y = max(sensor->max_y - y, 0);
>>
>>           /*
>> -        * here checking if X offset or y offset are specified is
>> -        *  redundant.  We just add the offsets or, clip the values
>> -        *
>> -        * note: offsets need to be done before clipping occurs,
>> -        * or we could get funny values that are outside
>> -        * clipping boundaries.
>> -        */
>> +         * Here checking if X offset or y offset are specified is
>> +         * redundant. We just add the offsets or clip the values.
>> +         *
>> +         * Note: offsets need to be applied before clipping occurs,
>> +         * or we could get funny values that are outside of
>> +         * clipping boundaries.
>> +         */
>>           x += axis_align->offset_x;
>>           y += axis_align->offset_y;
>>           x =  max(axis_align->clip_x_low, x);
>> @@ -657,41 +655,44 @@ static void rmi_f11_abs_pos_report(struct 
>> f11_data *f11,
>>           if (axis_align->clip_y_high)
>>               y =  min(axis_align->clip_y_high, y);
>>
>> -    }
>> +        w_x = pos_data[3] & 0x0f;
>> +        w_y = pos_data[3] >> 4;
>>
>> -    /* Some UIs ignore W of zero, so we fudge it to 1 for pens.  This
>> -     * only appears to be an issue when reporting pens, not plain old
>> -     * fingers. */
>> -    if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
>> -            get_tool_type(sensor, finger_state) == MT_TOOL_PEN) {
>> -        w_max = max(1, w_max);
>> -        w_min = max(1, w_min);
>> -    }
>> +        if (axis_align->swap_axes)
>> +            swap(w_x, w_y);
>>
>> -    if (sensor->type_a) {
>> -        input_report_abs(sensor->input, ABS_MT_TRACKING_ID, n_finger);
>> -        input_report_abs(sensor->input, ABS_MT_TOOL_TYPE,
>> -                    get_tool_type(sensor, finger_state));
>> -    } else {
>> -        input_mt_slot(sensor->input, n_finger);
>> -        input_mt_report_slot_state(sensor->input,
>> -            get_tool_type(sensor, finger_state), finger_state);
>> -    }
>> +        orient = w_x > w_y ? 1 : 0;
>> +
>> +        w_max = max(w_x, w_y);
>> +        w_min = min(w_x, w_y);
>> +
>> +        /*
>> +         * Some UIs ignore W of zero, so we fudge it to 1 for pens.  
>> This
>> +         * only appears to be an issue when reporting pens, not 
>> plain old
>> +         * fingers.
>> +         */
>> +        if (tool_type == MT_TOOL_PEN) {
>> +            w_max = max(1, w_max);
>> +            w_min = max(1, w_min);
>> +        }
>> +
>> +        z = pos_data[4];
>> +
>> +        input_report_abs(input, ABS_MT_PRESSURE, z);
>> +        input_report_abs(input, ABS_MT_TOUCH_MAJOR, w_max);
>> +        input_report_abs(input, ABS_MT_TOUCH_MINOR, w_min);
>> +        input_report_abs(input, ABS_MT_ORIENTATION, orient);
>> +        input_report_abs(input, ABS_MT_POSITION_X, x);
>> +        input_report_abs(input, ABS_MT_POSITION_Y, y);
>>
>> -    if (finger_state) {
>> -        input_report_abs(sensor->input, ABS_MT_PRESSURE, z);
>> -        input_report_abs(sensor->input, ABS_MT_TOUCH_MAJOR, w_max);
>> -        input_report_abs(sensor->input, ABS_MT_TOUCH_MINOR, w_min);
>> -        input_report_abs(sensor->input, ABS_MT_ORIENTATION, orient);
>> -        input_report_abs(sensor->input, ABS_MT_POSITION_X, x);
>> -        input_report_abs(sensor->input, ABS_MT_POSITION_Y, y);
>>           dev_dbg(&sensor->fn->dev,
>>               "finger[%d]:%d - x:%d y:%d z:%d w_max:%d w_min:%d\n",
>>               n_finger, finger_state, x, y, z, w_max, w_min);
>>       }
>> +
>>       /* MT sync between fingers */
>>       if (sensor->type_a)
>> -        input_mt_sync(sensor->input);
>> +        input_mt_sync(input);
>>   }
>>
>>   static void rmi_f11_finger_handler(struct f11_data *f11,
>> @@ -710,25 +711,31 @@ static void rmi_f11_finger_handler(struct 
>> f11_data *f11,
>>           /* Possible of having 4 fingers per f_statet register */
>>           finger_state = (f_state[i / 4] >> (2 * (i % 4))) &
>>                       FINGER_STATE_MASK;
>> -        if (finger_state == F11_RESERVED) {
>> -            pr_err("%s: Invalid finger state[%d]:0x%02x.", __func__,
>> -                    i, finger_state);
>> +        switch (finger_state) {
>> +        case F11_RESERVED:
>> +            pr_err("Invalid finger state[%d]: 0x%02x", i, 
>> finger_state);
>>               continue;
>> -        } else if ((finger_state == F11_PRESENT) ||
>> -                (finger_state == F11_INACCURATE)) {
>> +
>> +        case F11_PRESENT:
>> +        case F11_INACCURATE:
>>               finger_pressed_count++;
>> +            break;
>> +
>> +        case F11_NO_FINGER:
>> +            break;
>>           }
>>
>>           abs_bits = bitmap_and(f11->result_bits, irq_bits, 
>> f11->abs_mask,
>> -                num_irq_regs);
>> +                      num_irq_regs);
>>           if (abs_bits)
>>               rmi_f11_abs_pos_report(f11, sensor, finger_state, i);
>>
>>           rel_bits = bitmap_and(f11->result_bits, irq_bits, 
>> f11->rel_mask,
>> -                num_irq_regs);
>> +                      num_irq_regs);
>>           if (rel_bits)
>>               rmi_f11_rel_pos_report(sensor, i);
>>       }
>> +
>>       input_mt_sync_frame(sensor->input);
>>       input_sync(sensor->input);
>>   }
>>
>
>


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] Input: synaptics-rmi4 - fix compiler warnings in F11
@ 2014-07-24 20:08     ` Andrew Duggan
  0 siblings, 0 replies; 6+ messages in thread
From: Andrew Duggan @ 2014-07-24 20:08 UTC (permalink / raw)
  To: Christopher Heiny, Dmitry Torokhov, linux-input
  Cc: Benjamin Tissoires, linux-kernel

On 07/23/2014 06:41 PM, Christopher Heiny wrote:
> On 07/22/2014 11:11 PM, Dmitry Torokhov wrote:
>> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
>
> I've reviewed this, and can say:
>
> Acked-by: Christopher Heiny <cheiny@synaptics.com>
>
> but I haven't had a chance to apply it to my build tree.
>
> Andrew - I'll be OOO for a couple of days.  Can you do that, and add a 
> Tested-by: or rev the patch, as appropriate?
>
>                 Thanks,
>                     Chris
>
It compiles cleanly and works on my test system.

Tested-by: Andrew Duggan <aduggan@synaptics.com>
>> ---
>>   drivers/input/rmi4/rmi_f11.c | 135 
>> +++++++++++++++++++++++--------------------
>>   1 file changed, 71 insertions(+), 64 deletions(-)
>>
>> diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
>> index b739d31..7af4f68 100644
>> --- a/drivers/input/rmi4/rmi_f11.c
>> +++ b/drivers/input/rmi4/rmi_f11.c
>> @@ -553,7 +553,7 @@ struct f11_data {
>>       unsigned long *result_bits;
>>   };
>>
>> -enum finger_state_values {
>> +enum f11_finger_state {
>>       F11_NO_FINGER    = 0x00,
>>       F11_PRESENT    = 0x01,
>>       F11_INACCURATE    = 0x02,
>> @@ -563,12 +563,14 @@ enum finger_state_values {
>>   /** F11_INACCURATE state is overloaded to indicate pen present. */
>>   #define F11_PEN F11_INACCURATE
>>
>> -static int get_tool_type(struct f11_2d_sensor *sensor, u8 finger_state)
>> +static int rmi_f11_get_tool_type(struct f11_2d_sensor *sensor,
>> +                 enum f11_finger_state finger_state)
>>   {
>>       if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
>>               sensor->sens_query.has_pen &&
>>               finger_state == F11_PEN)
>>           return MT_TOOL_PEN;
>> +
>>       return MT_TOOL_FINGER;
>>   }
>>
>> @@ -603,36 +605,32 @@ static void rmi_f11_rel_pos_report(struct 
>> f11_2d_sensor *sensor, u8 n_finger)
>>
>>   static void rmi_f11_abs_pos_report(struct f11_data *f11,
>>                      struct f11_2d_sensor *sensor,
>> -                   u8 finger_state, u8 n_finger)
>> +                   enum f11_finger_state finger_state,
>> +                   u8 n_finger)
>>   {
>>       struct f11_2d_data *data = &sensor->data;
>> +    struct input_dev *input = sensor->input;
>>       struct rmi_f11_2d_axis_alignment *axis_align = 
>> &sensor->axis_align;
>> +    u8 *pos_data = &data->abs_pos[n_finger * RMI_F11_ABS_BYTES];
>>       u16 x, y, z;
>>       int w_x, w_y, w_max, w_min, orient;
>> -    int temp;
>> -    u8 abs_base = n_finger * RMI_F11_ABS_BYTES;
>> +    int tool_type = rmi_f11_get_tool_type(sensor, finger_state);
>> +
>> +    if (sensor->type_a) {
>> +        input_report_abs(input, ABS_MT_TRACKING_ID, n_finger);
>> +        input_report_abs(input, ABS_MT_TOOL_TYPE, tool_type);
>> +    } else {
>> +        input_mt_slot(input, n_finger);
>> +        input_mt_report_slot_state(input, tool_type,
>> +                       finger_state != F11_NO_FINGER);
>> +    }
>>
>>       if (finger_state) {
>> -        x = (data->abs_pos[abs_base] << 4) |
>> -            (data->abs_pos[abs_base + 2] & 0x0F);
>> -        y = (data->abs_pos[abs_base + 1] << 4) |
>> -            (data->abs_pos[abs_base + 2] >> 4);
>> -        w_x = data->abs_pos[abs_base + 3] & 0x0F;
>> -        w_y = data->abs_pos[abs_base + 3] >> 4;
>> -        w_max = max(w_x, w_y);
>> -        w_min = min(w_x, w_y);
>> -        z = data->abs_pos[abs_base + 4];
>> -
>> -        if (axis_align->swap_axes) {
>> -            temp = x;
>> -            x = y;
>> -            y = temp;
>> -            temp = w_x;
>> -            w_x = w_y;
>> -            w_y = temp;
>> -        }
>> +        x = (pos_data[0] << 4) | (pos_data[2] & 0x0F);
>> +        y = (pos_data[1] << 4) | (pos_data[2] >> 4);
>>
>> -        orient = w_x > w_y ? 1 : 0;
>> +        if (axis_align->swap_axes)
>> +            swap(x, y);
>>
>>           if (axis_align->flip_x)
>>               x = max(sensor->max_x - x, 0);
>> @@ -641,13 +639,13 @@ static void rmi_f11_abs_pos_report(struct 
>> f11_data *f11,
>>               y = max(sensor->max_y - y, 0);
>>
>>           /*
>> -        * here checking if X offset or y offset are specified is
>> -        *  redundant.  We just add the offsets or, clip the values
>> -        *
>> -        * note: offsets need to be done before clipping occurs,
>> -        * or we could get funny values that are outside
>> -        * clipping boundaries.
>> -        */
>> +         * Here checking if X offset or y offset are specified is
>> +         * redundant. We just add the offsets or clip the values.
>> +         *
>> +         * Note: offsets need to be applied before clipping occurs,
>> +         * or we could get funny values that are outside of
>> +         * clipping boundaries.
>> +         */
>>           x += axis_align->offset_x;
>>           y += axis_align->offset_y;
>>           x =  max(axis_align->clip_x_low, x);
>> @@ -657,41 +655,44 @@ static void rmi_f11_abs_pos_report(struct 
>> f11_data *f11,
>>           if (axis_align->clip_y_high)
>>               y =  min(axis_align->clip_y_high, y);
>>
>> -    }
>> +        w_x = pos_data[3] & 0x0f;
>> +        w_y = pos_data[3] >> 4;
>>
>> -    /* Some UIs ignore W of zero, so we fudge it to 1 for pens.  This
>> -     * only appears to be an issue when reporting pens, not plain old
>> -     * fingers. */
>> -    if (IS_ENABLED(CONFIG_RMI4_F11_PEN) &&
>> -            get_tool_type(sensor, finger_state) == MT_TOOL_PEN) {
>> -        w_max = max(1, w_max);
>> -        w_min = max(1, w_min);
>> -    }
>> +        if (axis_align->swap_axes)
>> +            swap(w_x, w_y);
>>
>> -    if (sensor->type_a) {
>> -        input_report_abs(sensor->input, ABS_MT_TRACKING_ID, n_finger);
>> -        input_report_abs(sensor->input, ABS_MT_TOOL_TYPE,
>> -                    get_tool_type(sensor, finger_state));
>> -    } else {
>> -        input_mt_slot(sensor->input, n_finger);
>> -        input_mt_report_slot_state(sensor->input,
>> -            get_tool_type(sensor, finger_state), finger_state);
>> -    }
>> +        orient = w_x > w_y ? 1 : 0;
>> +
>> +        w_max = max(w_x, w_y);
>> +        w_min = min(w_x, w_y);
>> +
>> +        /*
>> +         * Some UIs ignore W of zero, so we fudge it to 1 for pens.  
>> This
>> +         * only appears to be an issue when reporting pens, not 
>> plain old
>> +         * fingers.
>> +         */
>> +        if (tool_type == MT_TOOL_PEN) {
>> +            w_max = max(1, w_max);
>> +            w_min = max(1, w_min);
>> +        }
>> +
>> +        z = pos_data[4];
>> +
>> +        input_report_abs(input, ABS_MT_PRESSURE, z);
>> +        input_report_abs(input, ABS_MT_TOUCH_MAJOR, w_max);
>> +        input_report_abs(input, ABS_MT_TOUCH_MINOR, w_min);
>> +        input_report_abs(input, ABS_MT_ORIENTATION, orient);
>> +        input_report_abs(input, ABS_MT_POSITION_X, x);
>> +        input_report_abs(input, ABS_MT_POSITION_Y, y);
>>
>> -    if (finger_state) {
>> -        input_report_abs(sensor->input, ABS_MT_PRESSURE, z);
>> -        input_report_abs(sensor->input, ABS_MT_TOUCH_MAJOR, w_max);
>> -        input_report_abs(sensor->input, ABS_MT_TOUCH_MINOR, w_min);
>> -        input_report_abs(sensor->input, ABS_MT_ORIENTATION, orient);
>> -        input_report_abs(sensor->input, ABS_MT_POSITION_X, x);
>> -        input_report_abs(sensor->input, ABS_MT_POSITION_Y, y);
>>           dev_dbg(&sensor->fn->dev,
>>               "finger[%d]:%d - x:%d y:%d z:%d w_max:%d w_min:%d\n",
>>               n_finger, finger_state, x, y, z, w_max, w_min);
>>       }
>> +
>>       /* MT sync between fingers */
>>       if (sensor->type_a)
>> -        input_mt_sync(sensor->input);
>> +        input_mt_sync(input);
>>   }
>>
>>   static void rmi_f11_finger_handler(struct f11_data *f11,
>> @@ -710,25 +711,31 @@ static void rmi_f11_finger_handler(struct 
>> f11_data *f11,
>>           /* Possible of having 4 fingers per f_statet register */
>>           finger_state = (f_state[i / 4] >> (2 * (i % 4))) &
>>                       FINGER_STATE_MASK;
>> -        if (finger_state == F11_RESERVED) {
>> -            pr_err("%s: Invalid finger state[%d]:0x%02x.", __func__,
>> -                    i, finger_state);
>> +        switch (finger_state) {
>> +        case F11_RESERVED:
>> +            pr_err("Invalid finger state[%d]: 0x%02x", i, 
>> finger_state);
>>               continue;
>> -        } else if ((finger_state == F11_PRESENT) ||
>> -                (finger_state == F11_INACCURATE)) {
>> +
>> +        case F11_PRESENT:
>> +        case F11_INACCURATE:
>>               finger_pressed_count++;
>> +            break;
>> +
>> +        case F11_NO_FINGER:
>> +            break;
>>           }
>>
>>           abs_bits = bitmap_and(f11->result_bits, irq_bits, 
>> f11->abs_mask,
>> -                num_irq_regs);
>> +                      num_irq_regs);
>>           if (abs_bits)
>>               rmi_f11_abs_pos_report(f11, sensor, finger_state, i);
>>
>>           rel_bits = bitmap_and(f11->result_bits, irq_bits, 
>> f11->rel_mask,
>> -                num_irq_regs);
>> +                      num_irq_regs);
>>           if (rel_bits)
>>               rmi_f11_rel_pos_report(sensor, i);
>>       }
>> +
>>       input_mt_sync_frame(sensor->input);
>>       input_sync(sensor->input);
>>   }
>>
>
>


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] Input: synaptics-rmi4 - fix compiler warnings in F11
  2014-07-24 20:08     ` Andrew Duggan
  (?)
@ 2014-07-27  7:27     ` Dmitry Torokhov
  -1 siblings, 0 replies; 6+ messages in thread
From: Dmitry Torokhov @ 2014-07-27  7:27 UTC (permalink / raw)
  To: Andrew Duggan
  Cc: Christopher Heiny, linux-input, Benjamin Tissoires, linux-kernel

On Thu, Jul 24, 2014 at 01:08:09PM -0700, Andrew Duggan wrote:
> On 07/23/2014 06:41 PM, Christopher Heiny wrote:
> >On 07/22/2014 11:11 PM, Dmitry Torokhov wrote:
> >>Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> >
> >I've reviewed this, and can say:
> >
> >Acked-by: Christopher Heiny <cheiny@synaptics.com>
> >
> >but I haven't had a chance to apply it to my build tree.
> >
> >Andrew - I'll be OOO for a couple of days.  Can you do that, and
> >add a Tested-by: or rev the patch, as appropriate?
> >
> >                Thanks,
> >                    Chris
> >
> It compiles cleanly and works on my test system.
> 
> Tested-by: Andrew Duggan <aduggan@synaptics.com>

Thank you Andrew and Chris, I'll apply it to the branch then.

-- 
Dmitry

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2014-07-27  7:27 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-07-23  6:11 [PATCH] Input: synaptics-rmi4 - fix compiler warnings in F11 Dmitry Torokhov
2014-07-24  1:41 ` Christopher Heiny
2014-07-24  1:41   ` Christopher Heiny
2014-07-24 20:08   ` Andrew Duggan
2014-07-24 20:08     ` Andrew Duggan
2014-07-27  7:27     ` Dmitry Torokhov

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.