diff options
Diffstat (limited to 'drivers/media/common/tuners')
| -rw-r--r-- | drivers/media/common/tuners/xc4000.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c index bf3f6f1664c..2a20d0e63da 100644 --- a/drivers/media/common/tuners/xc4000.c +++ b/drivers/media/common/tuners/xc4000.c @@ -49,6 +49,27 @@ MODULE_PARM_DESC(no_poweroff, "\n\t\t1: keep device energized and with tuner " "\t\t2: powers device off when not used.\n" "\t\t0 (default): use device-specific default mode."); +#define XC4000_AUDIO_STD_B 1 +#define XC4000_AUDIO_STD_A2 2 +#define XC4000_AUDIO_STD_K3 4 +#define XC4000_AUDIO_STD_L 8 +#define XC4000_AUDIO_STD_INPUT1 16 +#define XC4000_AUDIO_STD_MONO 32 + +static int audio_std; +module_param(audio_std, int, 0644); +MODULE_PARM_DESC(audio_std, "\n\t\tAudio standard. XC4000 audio decoder " + "explicitly needs to know\n" + "\t\twhat audio standard is needed for some video standards with\n" + "\t\taudio A2 or NICAM.\n" + "\t\tThe valid settings are a sum of:\n" + "\t\t 1: use NICAM/B or A2/B instead of NICAM/A or A2/A\n" + "\t\t 2: use A2 instead of NICAM or BTSC\n" + "\t\t 4: use SECAM/K3 instead of K1\n" + "\t\t 8: use PAL-D/K audio for SECAM-D/K\n" + "\t\t16: use FM radio input 1 instead of input 2\n" + "\t\t32: use mono audio (the lower three bits are ignored)"); + #define XC4000_DEFAULT_FIRMWARE "xc4000.fw" static char firmware_name[30]; @@ -1343,6 +1364,8 @@ tune_channel: if (priv->card_type == XC4000_CARD_WINFAST_CX88 && priv->firm_version == 0x0102) video_mode &= 0xFEFF; + if (audio_std & XC4000_AUDIO_STD_B) + video_mode |= 0x0080; } ret = xc_SetTVStandard(priv, video_mode, audio_mode); if (ret != XC_RESULT_SUCCESS) { |