diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 18 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-reg.h | 9 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 094548903cb..d4dee8480e9 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -373,6 +373,24 @@ int em28xx_colorlevels_set_default(struct em28xx *dev) int em28xx_capture_start(struct em28xx *dev, int start) { int rc; + + if (dev->chip_id == CHIP_ID_EM2874) { + /* The Transport Stream Enable Register moved in em2874 */ + if (!start) { + rc = em28xx_write_reg_bits(dev, EM2874_R5F_TS_ENABLE, + 0x00, + EM2874_TS1_CAPTURE_ENABLE); + return rc; + } + + /* Enable Transport Stream */ + rc = em28xx_write_reg_bits(dev, EM2874_R5F_TS_ENABLE, + EM2874_TS1_CAPTURE_ENABLE, + EM2874_TS1_CAPTURE_ENABLE); + return rc; + } + + /* FIXME: which is the best order? */ /* video registers are sampled by VREF */ rc = em28xx_write_reg_bits(dev, EM28XX_R0C_USBSUSP, diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h index 1f0e8a34e8c..50d1790d84f 100644 --- a/drivers/media/video/em28xx/em28xx-reg.h +++ b/drivers/media/video/em28xx/em28xx-reg.h @@ -77,8 +77,17 @@ #define EM28XX_R14_VIDEO_AC97 0x14 /* em2874 registers */ +#define EM2874_R5F_TS_ENABLE 0x5f #define EM2874_R80_GPIO 0x80 +/* em2874 Transport Stream Enable Register (0x5f) */ +#define EM2874_TS1_CAPTURE_ENABLE (1 << 0) +#define EM2874_TS1_FILTER_ENABLE (1 << 1) +#define EM2874_TS1_NULL_DISCARD (1 << 2) +#define EM2874_TS2_CAPTURE_ENABLE (1 << 4) +#define EM2874_TS2_FILTER_ENABLE (1 << 5) +#define EM2874_TS2_NULL_DISCARD (1 << 6) + /* register settings */ #define EM2800_AUDIO_SRC_TUNER 0x0d #define EM2800_AUDIO_SRC_LINE 0x0c |