diff options
| author | Devin Heitmueller <devin.heitmueller@gmail.com> | 2008-11-19 08:22:28 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-29 17:53:35 -0200 |
| commit | 5c2231c84304563fd5d28e8bbb72e09e882a8e32 (patch) | |
| tree | 7cb20b4e39b1c9f4c41141a33e485e06651117a6 /drivers/media/video/em28xx/em28xx-reg.h | |
| parent | 67c96f67060abfe595974a77aeb4ce7815893648 (diff) | |
V4L/DVB (9648): em28xx: get audio config from em28xx register
Make use of the em28xx chip configuration register to determine whether
we have AC97 audio, I2S audio, or no audio support at all.
Thanks for Ray Lu from Empia for providing the em2860/em2880 datasheet.
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-reg.h')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-reg.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h index 491d66abe7f7..12c9132b099e 100644 --- a/drivers/media/video/em28xx/em28xx-reg.h +++ b/drivers/media/video/em28xx/em28xx-reg.h @@ -17,6 +17,16 @@ /* em28xx registers */ +#define EM28XX_R00_CHIPCFG 0x00 + +/* em28xx Chip Configuration 0x00 */ +#define EM28XX_CHIPCFG_VENDOR_AUDIO 0x80 +#define EM28XX_CHIPCFG_I2S_VOLUME_CAPABLE 0x40 +#define EM28XX_CHIPCFG_I2S_3_SAMPRATES 0x30 +#define EM28XX_CHIPCFG_I2S_5_SAMPRATES 0x20 +#define EM28XX_CHIPCFG_AC97 0x10 +#define EM28XX_CHIPCFG_AUDIOMASK 0x30 + /* GPIO/GPO registers */ #define EM2880_R04_GPO 0x04 /* em2880-em2883 only */ #define EM28XX_R08_GPIO 0x08 /* em2820 or upper */ |