diff options
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/s5k6aa.c | 5 | ||||
| -rw-r--r-- | drivers/media/i2c/tc358743.c | 46 |
2 files changed, 30 insertions, 21 deletions
diff --git a/drivers/media/i2c/s5k6aa.c b/drivers/media/i2c/s5k6aa.c index d0ad6a25bdab..5ac2babe123b 100644 --- a/drivers/media/i2c/s5k6aa.c +++ b/drivers/media/i2c/s5k6aa.c @@ -421,6 +421,7 @@ static int s5k6aa_set_ahb_address(struct i2c_client *client) /** * s5k6aa_configure_pixel_clock - apply ISP main clock/PLL configuration + * @s5k6aa: pointer to &struct s5k6aa describing the device * * Configure the internal ISP PLL for the required output frequency. * Locking: called with s5k6aa.lock mutex held. @@ -669,6 +670,7 @@ static int s5k6aa_set_input_params(struct s5k6aa *s5k6aa) /** * s5k6aa_configure_video_bus - configure the video output interface + * @s5k6aa: pointer to &struct s5k6aa describing the device * @bus_type: video bus type: parallel or MIPI-CSI * @nlanes: number of MIPI lanes to be used (MIPI-CSI only) * @@ -724,6 +726,8 @@ static int s5k6aa_new_config_sync(struct i2c_client *client, int timeout, /** * s5k6aa_set_prev_config - write user preview register set + * @s5k6aa: pointer to &struct s5k6aa describing the device + * @preset: s5kaa preset to be applied * * Configure output resolution and color fromat, pixel clock * frequency range, device frame rate type and frame period range. @@ -777,6 +781,7 @@ static int s5k6aa_set_prev_config(struct s5k6aa *s5k6aa, /** * s5k6aa_initialize_isp - basic ISP MCU initialization + * @sd: pointer to V4L2 sub-device descriptor * * Configure AHB addresses for registers read/write; configure PLLs for * required output pixel clock. The ISP power supply needs to be already diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index 9ef5baaf8646..ea2777e1ee10 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -197,57 +197,61 @@ static void i2c_wr(struct v4l2_subdev *sd, u16 reg, u8 *values, u32 n) } } -static u8 i2c_rd8(struct v4l2_subdev *sd, u16 reg) +static noinline u32 i2c_rdreg(struct v4l2_subdev *sd, u16 reg, u32 n) { - u8 val; + __le32 val = 0; - i2c_rd(sd, reg, &val, 1); + i2c_rd(sd, reg, (u8 __force *)&val, n); - return val; + return le32_to_cpu(val); +} + +static noinline void i2c_wrreg(struct v4l2_subdev *sd, u16 reg, u32 val, u32 n) +{ + __le32 raw = cpu_to_le32(val); + + i2c_wr(sd, reg, (u8 __force *)&raw, n); +} + +static u8 i2c_rd8(struct v4l2_subdev *sd, u16 reg) +{ + return i2c_rdreg(sd, reg, 1); } static void i2c_wr8(struct v4l2_subdev *sd, u16 reg, u8 val) { - i2c_wr(sd, reg, &val, 1); + i2c_wrreg(sd, reg, val, 1); } static void i2c_wr8_and_or(struct v4l2_subdev *sd, u16 reg, u8 mask, u8 val) { - i2c_wr8(sd, reg, (i2c_rd8(sd, reg) & mask) | val); + i2c_wrreg(sd, reg, (i2c_rdreg(sd, reg, 2) & mask) | val, 2); } static u16 i2c_rd16(struct v4l2_subdev *sd, u16 reg) { - u16 val; - - i2c_rd(sd, reg, (u8 *)&val, 2); - - return val; + return i2c_rdreg(sd, reg, 2); } static void i2c_wr16(struct v4l2_subdev *sd, u16 reg, u16 val) { - i2c_wr(sd, reg, (u8 *)&val, 2); + i2c_wrreg(sd, reg, val, 2); } static void i2c_wr16_and_or(struct v4l2_subdev *sd, u16 reg, u16 mask, u16 val) { - i2c_wr16(sd, reg, (i2c_rd16(sd, reg) & mask) | val); + i2c_wrreg(sd, reg, (i2c_rdreg(sd, reg, 2) & mask) | val, 2); } static u32 i2c_rd32(struct v4l2_subdev *sd, u16 reg) { - u32 val; - - i2c_rd(sd, reg, (u8 *)&val, 4); - - return val; + return i2c_rdreg(sd, reg, 4); } static void i2c_wr32(struct v4l2_subdev *sd, u16 reg, u32 val) { - i2c_wr(sd, reg, (u8 *)&val, 4); + i2c_wrreg(sd, reg, val, 4); } /* --------------- STATUS --------------- */ @@ -1240,7 +1244,7 @@ static int tc358743_g_register(struct v4l2_subdev *sd, reg->size = tc358743_get_reg_size(reg->reg); - i2c_rd(sd, reg->reg, (u8 *)®->val, reg->size); + reg->val = i2c_rdreg(sd, reg->reg, reg->size); return 0; } @@ -1266,7 +1270,7 @@ static int tc358743_s_register(struct v4l2_subdev *sd, reg->reg == BCAPS) return 0; - i2c_wr(sd, (u16)reg->reg, (u8 *)®->val, + i2c_wrreg(sd, (u16)reg->reg, reg->val, tc358743_get_reg_size(reg->reg)); return 0; |