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[media] tvaudio: don't report mono when stereo is received

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The V4L2 spec says reporting mono and stereo at the same time means
the hardware can not distinguish between the two. So when we can,
we should report only one of them.

Signed-off-by: Daniel Glöckner <daniel-gl@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Daniel Glöckner 2012-06-09 21:43:58 -03:00 committed by Mauro Carvalho Chehab
parent 9e019e075e
commit 1884e298c1
1 changed files with 6 additions and 6 deletions
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12
drivers/media/video/tvaudio.c
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@ -383,7 +383,7 @@ static int tda9840_getmode(struct CHIPSTATE *chip)
if (val & TDA9840_DS_DUAL)
mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
if (val & TDA9840_ST_STEREO)
mode |= V4L2_TUNER_SUB_STEREO;
mode = V4L2_TUNER_SUB_STEREO;
v4l2_dbg(1, debug, sd, "tda9840_getmode(): raw chip read: %d, return: %d\n",
val, mode);
@ -541,7 +541,7 @@ static int tda985x_getmode(struct CHIPSTATE *chip)
mode = V4L2_TUNER_SUB_MONO;
val = chip_read(chip);
if (val & TDA985x_STP)
mode |= V4L2_TUNER_SUB_STEREO;
mode = V4L2_TUNER_SUB_STEREO;
if (val & TDA985x_SAPP)
mode |= V4L2_TUNER_SUB_SAP;
return mode;
@ -700,7 +700,7 @@ static int tda9873_getmode(struct CHIPSTATE *chip)
val = chip_read(chip);
mode = V4L2_TUNER_SUB_MONO;
if (val & TDA9873_STEREO)
mode |= V4L2_TUNER_SUB_STEREO;
mode = V4L2_TUNER_SUB_STEREO;
if (val & TDA9873_DUAL)
mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
v4l2_dbg(1, debug, sd, "tda9873_getmode(): raw chip read: %d, return: %d\n",
@ -918,12 +918,12 @@ static int tda9874a_getmode(struct CHIPSTATE *chip)
* external 4052 multiplexer in audio_hook().
*/
if(nsr & 0x02) /* NSR.S/MB=1 */
mode |= V4L2_TUNER_SUB_STEREO;
mode = V4L2_TUNER_SUB_STEREO;
if(nsr & 0x01) /* NSR.D/SB=1 */
mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
} else {
if(dsr & 0x02) /* DSR.IDSTE=1 */
mode |= V4L2_TUNER_SUB_STEREO;
mode = V4L2_TUNER_SUB_STEREO;
if(dsr & 0x04) /* DSR.IDDUA=1 */
mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
}
@ -1350,7 +1350,7 @@ static int ta8874z_getmode(struct CHIPSTATE *chip)
if (val & TA8874Z_B1){
mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
}else if (!(val & TA8874Z_B0)){
mode |= V4L2_TUNER_SUB_STEREO;
mode = V4L2_TUNER_SUB_STEREO;
}
/* v4l_dbg(1, debug, chip->c, "ta8874z_getmode(): raw chip read: 0x%02x, return: 0x%02x\n", val, mode); */
return mode;