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[v2,05/10,media] tvp5150: Add s_stream subdev operation support

Message ID 1452170810-32346-6-git-send-email-javier@osg.samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Javier Martinez Canillas Jan. 7, 2016, 12:46 p.m. UTC 
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

This patch adds the .s_stream subdev operation to the driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
---

Changes in v2: None

 drivers/media/i2c/tvp5150.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
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Patch

diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 71473cec236a..fb7a4ddff1fe 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -973,6 +973,21 @@  static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
 			I2C Command
  ****************************************************************************/
 
+static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
+{
+	/* Initializes TVP5150 to its default values */
+	/* # set PCLK (27MHz) */
+	tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00);
+
+	/* Output format: 8-bit ITU-R BT.656 with embedded syncs */
+	if (enable)
+		tvp5150_write(sd, TVP5150_MISC_CTL, 0x09);
+	else
+		tvp5150_write(sd, TVP5150_MISC_CTL, 0x00);
+
+	return 0;
+}
+
 static int tvp5150_s_routing(struct v4l2_subdev *sd,
 			     u32 input, u32 output, u32 config)
 {
@@ -1094,6 +1109,7 @@  static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
 
 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
 	.s_std = tvp5150_s_std,
+	.s_stream = tvp5150_s_stream,
 	.s_routing = tvp5150_s_routing,
 	.s_crop = tvp5150_s_crop,
 	.g_crop = tvp5150_g_crop,