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Commit 41f5230f authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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V4L/DVB (9622): tvaudio: Improve comments and remove a unneeded prototype 



Some comments are not clear enough. Improve it to allow a better
understanding of the driver behavior.

While there, remove an unneeded struct prototype.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 49426437

drivers/media/video/tvaudio.c

+7 −12
Original line number Diff line number Diff line
@@ -106,7 +106,6 @@ struct CHIPDESC { 
	int  inputmute;

	int  inputmask;

};

static struct CHIPDESC chiplist[];



/* current state of the chip */

struct CHIPSTATE {
@@ -1856,11 +1855,13 @@ static int chip_command(struct i2c_client *client, 
	case VIDIOC_S_FREQUENCY:

		chip->mode = 0; /* automatic */



		/* For chips that provide getmode, setmode and checkmode,

		   a kthread is created to automatically to set the audio

		   standard. In this case, start with MONO and wait 2 seconds

		   for the decoding to stablize. Then, run kthread to change

		   to stereo, if carrier detected.

		/* For chips that provide getmode and setmode, and doesn't

		   automatically follows the stereo carrier, a kthread is

		   created to set the audio standard. In this case, when then

		   the video channel is changed, tvaudio starts on MONO mode.

		   After waiting for 2 seconds, the kernel thread is called,

		   to follow whatever audio standard is pointed by the

		   audio carrier.

		 */

		if (chip->thread) {

			desc->setmode(chip,V4L2_TUNER_MODE_MONO);
@@ -1905,9 +1906,3 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data = { 
	.legacy_probe = chip_legacy_probe,

	.id_table = chip_id,

};
 


/*

 * Local variables:

 * c-basic-offset: 8

 * End:

 */