diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-15 12:49:56 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-15 12:49:56 -0800 |
commit | 122804ecb59493fbb4d31b3ba9ac59faaf45276f (patch) | |
tree | cff4d8a158c412e4a8d3abc8d91bb0eb52b01c9a /drivers/media/video/adv7170.c | |
parent | 16008d641670571ff4cd750b416c7caf2d89f467 (diff) | |
parent | 126400033940afb658123517a2e80eb68259fbd7 (diff) |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (655 commits)
[media] revert patch: HDIC HD29L2 DMB-TH USB2.0 reference design driver
mb86a20s: Add a few more register settings at the init seq
mb86a20s: Group registers into the same line
[media] [PATCH] don't reset the delivery system on DTV_CLEAR
[media] [BUG] it913x-fe fix typo error making SNR levels unstable
[media] cx23885: Query the CX25840 during enum_input for status
[media] cx25840: Add support for g_input_status
[media] rc-videomate-m1f.c Rename to match remote controler name
[media] drivers: media: au0828: Fix dependency for VIDEO_AU0828
[media] convert drivers/media/* to use module_platform_driver()
[media] drivers: video: cx231xx: Fix dependency for VIDEO_CX231XX_DVB
[media] Exynos4 JPEG codec v4l2 driver
[media] doc: v4l: selection: choose pixels as units for selection rectangles
[media] v4l: s5p-tv: mixer: fix setup of VP scaling
[media] v4l: s5p-tv: mixer: add support for selection API
[media] v4l: emulate old crop API using extended crop/compose API
[media] doc: v4l: add documentation for selection API
[media] doc: v4l: add binary images for selection API
[media] v4l: add support for selection api
[media] hd29l2: fix review findings
...
Diffstat (limited to 'drivers/media/video/adv7170.c')
-rw-r--r-- | drivers/media/video/adv7170.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/video/adv7170.c b/drivers/media/video/adv7170.c index 23ba5c37c3e4..879f1d839760 100644 --- a/drivers/media/video/adv7170.c +++ b/drivers/media/video/adv7170.c @@ -64,6 +64,11 @@ static inline struct adv7170 *to_adv7170(struct v4l2_subdev *sd) static char *inputs[] = { "pass_through", "play_back" }; +static enum v4l2_mbus_pixelcode adv7170_codes[] = { + V4L2_MBUS_FMT_UYVY8_2X8, + V4L2_MBUS_FMT_UYVY8_1X16, +}; + /* ----------------------------------------------------------------------- */ static inline int adv7170_write(struct v4l2_subdev *sd, u8 reg, u8 value) @@ -258,6 +263,60 @@ static int adv7170_s_routing(struct v4l2_subdev *sd, return 0; } +static int adv7170_enum_fmt(struct v4l2_subdev *sd, unsigned int index, + enum v4l2_mbus_pixelcode *code) +{ + if (index >= ARRAY_SIZE(adv7170_codes)) + return -EINVAL; + + *code = adv7170_codes[index]; + return 0; +} + +static int adv7170_g_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *mf) +{ + u8 val = adv7170_read(sd, 0x7); + + if ((val & 0x40) == (1 << 6)) + mf->code = V4L2_MBUS_FMT_UYVY8_1X16; + else + mf->code = V4L2_MBUS_FMT_UYVY8_2X8; + + mf->colorspace = V4L2_COLORSPACE_SMPTE170M; + mf->width = 0; + mf->height = 0; + mf->field = V4L2_FIELD_ANY; + + return 0; +} + +static int adv7170_s_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *mf) +{ + u8 val = adv7170_read(sd, 0x7); + int ret; + + switch (mf->code) { + case V4L2_MBUS_FMT_UYVY8_2X8: + val &= ~0x40; + break; + + case V4L2_MBUS_FMT_UYVY8_1X16: + val |= 0x40; + break; + + default: + v4l2_dbg(1, debug, sd, + "illegal v4l2_mbus_framefmt code: %d\n", mf->code); + return -EINVAL; + } + + ret = adv7170_write(sd, 0x7, val); + + return ret; +} + static int adv7170_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -274,6 +333,9 @@ static const struct v4l2_subdev_core_ops adv7170_core_ops = { static const struct v4l2_subdev_video_ops adv7170_video_ops = { .s_std_output = adv7170_s_std_output, .s_routing = adv7170_s_routing, + .s_mbus_fmt = adv7170_s_fmt, + .g_mbus_fmt = adv7170_g_fmt, + .enum_mbus_fmt = adv7170_enum_fmt, }; static const struct v4l2_subdev_ops adv7170_ops = { |