All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] staging: iio: dummy: clean up the define and usage of dummy_scan_elements
@ 2015-10-23 16:54 Alison Schofield
  2015-10-25  2:33 ` [Outreachy kernel] " Greg KH
                   ` (3 more replies)
  0 siblings, 4 replies; 13+ messages in thread
From: Alison Schofield @ 2015-10-23 16:54 UTC (permalink / raw)
  To: outreachy-kernel; +Cc: jic23, linux-iio

Cleanups related to the usage of dummy_scan_elements in the
iio dummy driver:
- change enum names to upper case INDEX_*
- use the enum for IIO_CHAN_SOFT_TIMESTAMP (rm hard coded value)
- comment edited to match changes & follow preferred kernel style

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
---
 drivers/staging/iio/iio_simple_dummy.c        | 22 ++++++++++++----------
 drivers/staging/iio/iio_simple_dummy.h        | 20 +++++++++++---------
 drivers/staging/iio/iio_simple_dummy_buffer.c |  9 +++++----
 3 files changed, 28 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c
index 381f90f..5e19068 100644
--- a/drivers/staging/iio/iio_simple_dummy.c
+++ b/drivers/staging/iio/iio_simple_dummy.c
@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright (c) 2011 Jonathan Cameron
  *
  * This program is free software; you can redistribute it and/or modify it
@@ -137,7 +137,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
 		 */
 		.info_mask_shared_by_dir = BIT(IIO_CHAN_INFO_SAMP_FREQ),
 		/* The ordering of elements in the buffer via an enum */
-		.scan_index = voltage0,
+		.scan_index = INDEX_VOLTAGE_0,
 		.scan_type = { /* Description of storage in buffer */
 			.sign = 'u', /* unsigned */
 			.realbits = 13, /* 13 bits */
@@ -176,7 +176,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
 		 * sampling_frequency
 		 * The frequency in Hz at which the channels are sampled
 		 */
-		.scan_index = diffvoltage1m2,
+		.scan_index = INDEX_DIFFVOLTAGE_1M2,
 		.scan_type = { /* Description of storage in buffer */
 			.sign = 's', /* signed */
 			.realbits = 12, /* 12 bits */
@@ -194,7 +194,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
 		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
 		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
 		.info_mask_shared_by_dir = BIT(IIO_CHAN_INFO_SAMP_FREQ),
-		.scan_index = diffvoltage3m4,
+		.scan_index = INDEX_DIFFVOLTAGE_3M4,
 		.scan_type = {
 			.sign = 's',
 			.realbits = 11,
@@ -221,7 +221,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
 		BIT(IIO_CHAN_INFO_CALIBSCALE) |
 		BIT(IIO_CHAN_INFO_CALIBBIAS),
 		.info_mask_shared_by_dir = BIT(IIO_CHAN_INFO_SAMP_FREQ),
-		.scan_index = accelx,
+		.scan_index = INDEX_ACCELX,
 		.scan_type = { /* Description of storage in buffer */
 			.sign = 's', /* signed */
 			.realbits = 16, /* 16 bits */
@@ -230,10 +230,10 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
 		},
 	},
 	/*
-	 * Convenience macro for timestamps. 4 is the index in
-	 * the buffer.
+	 * Convenience macro for timestamps.
+	 * INDEX_TIMESTAMP is the index in the buffer.
 	 */
-	IIO_CHAN_SOFT_TIMESTAMP(4),
+	IIO_CHAN_SOFT_TIMESTAMP(INDEX_TIMESTAMP),
 	/* DAC channel out_voltage0_raw */
 	{
 		.type = IIO_VOLTAGE,
@@ -364,8 +364,10 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev,
 				ret = IIO_VAL_INT_PLUS_MICRO;
 				break;
 			case 1:
-				/* all differential adc channels ->
-				 * 0.000001344 */
+				/*
+				 * all differential adc
+				 * channels -> 0.000001344
+				 */
 				*val = 0;
 				*val2 = 1344;
 				ret = IIO_VAL_INT_PLUS_NANO;
diff --git a/drivers/staging/iio/iio_simple_dummy.h b/drivers/staging/iio/iio_simple_dummy.h
index 5c2f4d0..31b62ad 100644
--- a/drivers/staging/iio/iio_simple_dummy.h
+++ b/drivers/staging/iio/iio_simple_dummy.h
@@ -96,20 +96,22 @@ iio_simple_dummy_events_unregister(struct iio_dev *indio_dev)
 
 #endif /* CONFIG_IIO_SIMPLE_DUMMY_EVENTS*/
 
-/**
+/*
  * enum iio_simple_dummy_scan_elements - scan index enum
- * @voltage0:		the single ended voltage channel
- * @diffvoltage1m2:	first differential channel
- * @diffvoltage3m4:	second differenial channel
- * @accelx:		acceleration channel
+ * @INDEX_VOLTAGE_0:		the single ended voltage channel
+ * @INDEX_DIFFVOLTAGE_1M2:	first differential channel
+ * @INDEX_DIFFVOLTAGE_3M4:	second differential channel
+ * @INDEX_ACCELX:		acceleration channel
+ * @INDEX_TIMESTAMP:		timestamp channel
  *
  * Enum provides convenient numbering for the scan index.
  */
 enum iio_simple_dummy_scan_elements {
-	voltage0,
-	diffvoltage1m2,
-	diffvoltage3m4,
-	accelx,
+	INDEX_VOLTAGE_0,
+	INDEX_DIFFVOLTAGE_1M2,
+	INDEX_DIFFVOLTAGE_3M4,
+	INDEX_ACCELX,
+	INDEX_TIMESTAMP,
 };
 
 #ifdef CONFIG_IIO_SIMPLE_DUMMY_BUFFER
diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c
index 00ed774..7516835 100644
--- a/drivers/staging/iio/iio_simple_dummy_buffer.c
+++ b/drivers/staging/iio/iio_simple_dummy_buffer.c
@@ -27,10 +27,11 @@
 /* Some fake data */
 
 static const s16 fakedata[] = {
-	[voltage0] = 7,
-	[diffvoltage1m2] = -33,
-	[diffvoltage3m4] = -2,
-	[accelx] = 344,
+	[INDEX_VOLTAGE_0] = 7,
+	[INDEX_DIFFVOLTAGE_1M2] = -33,
+	[INDEX_DIFFVOLTAGE_3M4] = -2,
+	[INDEX_ACCELX] = 344,
+	[INDEX_TIMESTAMP] = 50,
 };
 
 /**
-- 
2.1.4



^ permalink raw reply related	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2015-10-27  5:49 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-10-23 16:54 [PATCH] staging: iio: dummy: clean up the define and usage of dummy_scan_elements Alison Schofield
2015-10-25  2:33 ` [Outreachy kernel] " Greg KH
2015-10-25 10:54 ` Jonathan Cameron
2015-10-26  3:29   ` Alison Schofield
2015-10-26  7:21     ` Jonathan Cameron
2015-10-26  8:11 ` Daniel Baluta
2015-10-26 17:20   ` Alison Schofield
2015-10-26 17:32     ` Jonathan Cameron
2015-10-26 20:46 ` [PATCH 0/3] iio: dummy: scan index enum update and clean up Alison Schofield
2015-10-26 20:48   ` [PATCH 1/3] staging: iio: dummy: use uppercase descriptors for enum names Alison Schofield
2015-10-26 20:49   ` [PATCH 2/3] staging: iio: dummy: add the timestamp buffer to the scan index enum Alison Schofield
2015-10-27  5:48     ` [Outreachy kernel] " Greg KH
2015-10-26 20:50   ` [PATCH 3/3] staging: iio: dummy: replace block comment with single line comment Alison Schofield

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.