diff options
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-core.c')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index aea3f03..5b93723 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -333,24 +333,30 @@ static int set_input(struct i2c_client *client, enum cx25840_input input) static int set_v4lstd(struct i2c_client *client, v4l2_std_id std) { - u8 fmt; - - switch (std) { - /* zero is autodetect */ - case 0: fmt = 0x0; break; - /* default ntsc to ntsc-m */ - case V4L2_STD_NTSC: - case V4L2_STD_NTSC_M: fmt = 0x1; break; - case V4L2_STD_NTSC_M_JP: fmt = 0x2; break; - case V4L2_STD_NTSC_443: fmt = 0x3; break; - case V4L2_STD_PAL: fmt = 0x4; break; - case V4L2_STD_PAL_M: fmt = 0x5; break; - case V4L2_STD_PAL_N: fmt = 0x6; break; - case V4L2_STD_PAL_Nc: fmt = 0x7; break; - case V4L2_STD_PAL_60: fmt = 0x8; break; - case V4L2_STD_SECAM: fmt = 0xc; break; - default: - return -ERANGE; + u8 fmt=0; /* zero is autodetect */ + + /* First tests should be against specific std */ + if (std & V4L2_STD_NTSC_M_JP) { + fmt=0x2; + } else if (std & V4L2_STD_NTSC_443) { + fmt=0x3; + } else if (std & V4L2_STD_PAL_M) { + fmt=0x5; + } else if (std & V4L2_STD_PAL_N) { + fmt=0x6; + } else if (std & V4L2_STD_PAL_Nc) { + fmt=0x7; + } else if (std & V4L2_STD_PAL_60) { + fmt=0x8; + } else { + /* Then, test against generic ones */ + if (std & V4L2_STD_NTSC) { + fmt=0x1; + } else if (std & V4L2_STD_PAL) { + fmt=0x4; + } else if (std & V4L2_STD_SECAM) { + fmt=0xc; + } } cx25840_and_or(client, 0x400, ~0xf, fmt); |