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From: Mauro Carvalho Chehab <mchehab@kernel.org>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: sakari.ailus@linux.intel.com, hans.verkuil@cisco.com,
	jacopo+renesas@jmondi.org, robh+dt@kernel.org,
	laurent.pinchart@ideasonboard.com, linux-media@vger.kernel.org,
	devicetree@vger.kernel.org, kernel@pengutronix.de
Subject: Re: [PATCH v6 09/13] media: tvp5150: add s_power callback
Date: Tue, 14 May 2019 17:13:40 -0300
Message-ID: <20190514171340.444ce55b@coco.lan> (raw)
In-Reply-To: <20190415124413.18456-10-m.felsch@pengutronix.de>

Em Mon, 15 Apr 2019 14:44:09 +0200
Marco Felsch <m.felsch@pengutronix.de> escreveu:

> Don't en-/disable the interrupts during s_stream because someone can
> disable the stream but wants to get informed if the stream is locked
> again. So keep the interrupts enabled the whole time the pipeline is
> opened.

Not testing on any tvp5150 hardware, looks ok to me.

> 
> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> ---
>  drivers/media/i2c/tvp5150.c | 23 +++++++++++++++++------
>  1 file changed, 17 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
> index 305a5e256b31..cd54715eb641 100644
> --- a/drivers/media/i2c/tvp5150.c
> +++ b/drivers/media/i2c/tvp5150.c
> @@ -1370,11 +1370,26 @@ static const struct media_entity_operations tvp5150_sd_media_ops = {
>  /****************************************************************************
>  			I2C Command
>   ****************************************************************************/
> +static int tvp5150_s_power(struct  v4l2_subdev *sd, int on)
> +{
> +	struct tvp5150 *decoder = to_tvp5150(sd);
> +	unsigned int val = 0;
> +
> +	if (on)
> +		val = TVP5150_INT_A_LOCK;
> +
> +	if (decoder->irq)
> +		/* Enable / Disable lock interrupt */
> +		regmap_update_bits(decoder->regmap, TVP5150_INT_ENABLE_REG_A,
> +				   TVP5150_INT_A_LOCK, val);
> +
> +	return 0;
> +}
>  
>  static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
>  {
>  	struct tvp5150 *decoder = to_tvp5150(sd);
> -	unsigned int mask, val = 0, int_val = 0;
> +	unsigned int mask, val = 0;
>  
>  	mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
>  	       TVP5150_MISC_CTL_CLOCK_OE;
> @@ -1387,15 +1402,10 @@ static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
>  			val = decoder->lock ? decoder->oe : 0;
>  		else
>  			val = decoder->oe;
> -		int_val = TVP5150_INT_A_LOCK;
>  		v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
>  	}
>  
>  	regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
> -	if (decoder->irq)
> -		/* Enable / Disable lock interrupt */
> -		regmap_update_bits(decoder->regmap, TVP5150_INT_ENABLE_REG_A,
> -				   TVP5150_INT_A_LOCK, int_val);
>  
>  	return 0;
>  }
> @@ -1586,6 +1596,7 @@ static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
>  	.g_register = tvp5150_g_register,
>  	.s_register = tvp5150_s_register,
>  #endif
> +	.s_power = tvp5150_s_power,
>  };
>  
>  static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {



Thanks,
Mauro

  reply index

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-15 12:44 [PATCH v6 00/13] TVP5150 new features Marco Felsch
2019-04-15 12:44 ` [PATCH v6 01/13] dt-bindings: connector: analog: add tv norms property Marco Felsch
2019-05-06 10:01   ` Hans Verkuil
2019-05-06 10:06     ` Hans Verkuil
2019-05-14 18:11     ` Mauro Carvalho Chehab
2019-05-16 16:27   ` Laurent Pinchart
2019-04-15 12:44 ` [PATCH v6 02/13] media: v4l2-fwnode: add v4l2_fwnode_connector Marco Felsch
2019-05-06  9:50   ` Hans Verkuil
2019-05-14 18:17     ` Mauro Carvalho Chehab
2019-05-16 16:36   ` Laurent Pinchart
2019-04-15 12:44 ` [PATCH v6 03/13] media: v4l2-fwnode: add initial connector parsing support Marco Felsch
2019-05-06 10:10   ` Hans Verkuil
2019-05-14 18:20     ` Mauro Carvalho Chehab
2019-05-16 16:51       ` Laurent Pinchart
2019-04-15 12:44 ` [PATCH v6 04/13] partial revert of "[media] tvp5150: add HW input connectors support" Marco Felsch
2019-04-15 12:44 ` [PATCH v6 05/13] media: tvp5150: add input source selection of_graph support Marco Felsch
2019-05-06 10:09   ` Jacopo Mondi
2019-05-14 18:25   ` Mauro Carvalho Chehab
2019-05-16 18:03     ` Laurent Pinchart
2019-04-15 12:44 ` [PATCH v6 06/13] media: dt-bindings: tvp5150: Add input port connectors DT bindings Marco Felsch
2019-05-14 18:27   ` Mauro Carvalho Chehab
2019-05-16 18:05   ` Laurent Pinchart
2019-04-15 12:44 ` [PATCH v6 07/13] media: tvp5150: add FORMAT_TRY support for get/set selection handlers Marco Felsch
2019-05-06 13:36   ` Jacopo Mondi
2019-05-14 18:48   ` Mauro Carvalho Chehab
2019-04-15 12:44 ` [PATCH v6 08/13] media: tvp5150: initialize subdev before parsing device tree Marco Felsch
2019-05-14 20:20   ` Mauro Carvalho Chehab
2019-04-15 12:44 ` [PATCH v6 09/13] media: tvp5150: add s_power callback Marco Felsch
2019-05-14 20:13   ` Mauro Carvalho Chehab [this message]
2019-04-15 12:44 ` [PATCH v6 10/13] media: dt-bindings: tvp5150: cleanup bindings stlye Marco Felsch
2019-04-15 12:44 ` [PATCH v6 11/13] media: dt-bindings: tvp5150: add optional tvnorms documentation Marco Felsch
2019-04-15 12:44 ` [PATCH v6 12/13] media: tvp5150: add support to limit tv norms on connector Marco Felsch
2019-05-16 18:07   ` Laurent Pinchart
2019-04-15 12:44 ` [PATCH v6 13/13] media: tvp5150: make debug output more readable Marco Felsch
2019-05-06 13:39   ` Jacopo Mondi
2019-05-14 20:18     ` Mauro Carvalho Chehab
2019-05-06  5:47 ` [PATCH v6 00/13] TVP5150 new features Marco Felsch
2019-05-14 17:18   ` Mauro Carvalho Chehab
2019-05-14 20:20     ` Mauro Carvalho Chehab
2019-05-14 20:58       ` Marco Felsch
2019-05-14 23:41         ` Mauro Carvalho Chehab

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