diff options
Diffstat (limited to 'drivers/media/i2c/adv7604.c')
| -rw-r--r-- | drivers/media/i2c/adv7604.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index dd0a9a96305d..da256ddf06d3 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -542,6 +542,11 @@ static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg) return adv_smbus_read_byte_data(state->i2c_hdmi, reg); } +static u16 hdmi_read16(struct v4l2_subdev *sd, u8 reg, u16 mask) +{ + return ((hdmi_read(sd, reg) << 8) | hdmi_read(sd, reg + 1)) & mask; +} + static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val) { struct adv7604_state *state = to_state(sd); @@ -575,6 +580,11 @@ static inline int cp_read(struct v4l2_subdev *sd, u8 reg) return adv_smbus_read_byte_data(state->i2c_cp, reg); } +static u16 cp_read16(struct v4l2_subdev *sd, u8 reg, u16 mask) +{ + return ((cp_read(sd, reg) << 8) | cp_read(sd, reg + 1)) & mask; +} + static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val) { struct adv7604_state *state = to_state(sd); @@ -1203,8 +1213,8 @@ static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi) } /* read STDI */ - stdi->bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2); - stdi->lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4); + stdi->bl = cp_read16(sd, 0xb1, 0x3fff); + stdi->lcf = cp_read16(sd, 0xb3, 0x7ff); stdi->lcvs = cp_read(sd, 0xb3) >> 3; stdi->interlaced = io_read(sd, 0x12) & 0x10; @@ -1315,8 +1325,8 @@ static int adv7604_query_dv_timings(struct v4l2_subdev *sd, timings->type = V4L2_DV_BT_656_1120; - bt->width = (hdmi_read(sd, 0x07) & 0x0f) * 256 + hdmi_read(sd, 0x08); - bt->height = (hdmi_read(sd, 0x09) & 0x0f) * 256 + hdmi_read(sd, 0x0a); + bt->width = hdmi_read16(sd, 0x07, 0xfff); + bt->height = hdmi_read16(sd, 0x09, 0xfff); freq = (hdmi_read(sd, 0x06) * 1000000) + ((hdmi_read(sd, 0x3b) & 0x30) >> 4) * 250000; if (is_hdmi(sd)) { @@ -1326,29 +1336,19 @@ static int adv7604_query_dv_timings(struct v4l2_subdev *sd, freq = freq * 8 / bits_per_channel; } bt->pixelclock = freq; - bt->hfrontporch = (hdmi_read(sd, 0x20) & 0x03) * 256 + - hdmi_read(sd, 0x21); - bt->hsync = (hdmi_read(sd, 0x22) & 0x03) * 256 + - hdmi_read(sd, 0x23); - bt->hbackporch = (hdmi_read(sd, 0x24) & 0x03) * 256 + - hdmi_read(sd, 0x25); - bt->vfrontporch = ((hdmi_read(sd, 0x2a) & 0x1f) * 256 + - hdmi_read(sd, 0x2b)) / 2; - bt->vsync = ((hdmi_read(sd, 0x2e) & 0x1f) * 256 + - hdmi_read(sd, 0x2f)) / 2; - bt->vbackporch = ((hdmi_read(sd, 0x32) & 0x1f) * 256 + - hdmi_read(sd, 0x33)) / 2; + bt->hfrontporch = hdmi_read16(sd, 0x20, 0x3ff); + bt->hsync = hdmi_read16(sd, 0x22, 0x3ff); + bt->hbackporch = hdmi_read16(sd, 0x24, 0x3ff); + bt->vfrontporch = hdmi_read16(sd, 0x2a, 0x1fff) / 2; + bt->vsync = hdmi_read16(sd, 0x2e, 0x1fff) / 2; + bt->vbackporch = hdmi_read16(sd, 0x32, 0x1fff) / 2; bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) | ((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0); if (bt->interlaced == V4L2_DV_INTERLACED) { - bt->height += (hdmi_read(sd, 0x0b) & 0x0f) * 256 + - hdmi_read(sd, 0x0c); - bt->il_vfrontporch = ((hdmi_read(sd, 0x2c) & 0x1f) * 256 + - hdmi_read(sd, 0x2d)) / 2; - bt->il_vsync = ((hdmi_read(sd, 0x30) & 0x1f) * 256 + - hdmi_read(sd, 0x31)) / 2; - bt->vbackporch = ((hdmi_read(sd, 0x34) & 0x1f) * 256 + - hdmi_read(sd, 0x35)) / 2; + bt->height += hdmi_read16(sd, 0x0b, 0xfff); + bt->il_vfrontporch = hdmi_read16(sd, 0x2c, 0x1fff) / 2; + bt->il_vsync = hdmi_read16(sd, 0x30, 0x1fff) / 2; + bt->vbackporch = hdmi_read16(sd, 0x34, 0x1fff) / 2; } adv7604_fill_optional_dv_timings_fields(sd, timings); } else { |