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Subject: [media] gspca_sonixb: Fix TAS5110D sensor gain control Author: Hans de Goede <[email protected]> Date: Thu Jan 6 07:55:20 2011 -0300 Also fix the issue of the image being mirrored. Signed-off-by: Hans de Goede <[email protected]> Acked-by: Jean-Francois Moine <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/video/gspca/sonixb.c | 36 ++++++++++++++++++++++++++++++------ 1 files changed, 30 insertions(+), 6 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=26bb5354779a35652101bce493e70c1b442a1e2d diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c index e88097f..5c8420e 100644 --- a/drivers/media/video/gspca/sonixb.c +++ b/drivers/media/video/gspca/sonixb.c @@ -525,10 +525,18 @@ static const __u8 initTas5110d[] = { 0x00, 0x00, 0x00, 0x41, 0x09, 0x0a, 0x16, 0x12, 0x60, 0x86, 0x2b, }; -static const __u8 tas5110_sensor_init[][8] = { +/* tas5110c is 3 wire, tas5110d is 2 wire (regular i2c) */ +static const __u8 tas5110c_sensor_init[][8] = { {0x30, 0x11, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x10}, {0x30, 0x11, 0x02, 0x20, 0xa9, 0x00, 0x00, 0x10}, - {0xa0, 0x61, 0x9a, 0xca, 0x00, 0x00, 0x00, 0x17}, +}; +/* Known TAS5110D registers + * reg02: gain, bit order reversed!! 0 == max gain, 255 == min gain + * reg03: bit3: vflip, bit4: ~hflip, bit7: ~gainboost (~ == inverted) + * Note: writing reg03 seems to only work when written together with 02 + */ +static const __u8 tas5110d_sensor_init[][8] = { + {0xa0, 0x61, 0x9a, 0xca, 0x00, 0x00, 0x00, 0x17}, /* reset */ }; static const __u8 initTas5130[] = { @@ -552,9 +560,9 @@ SENS(initOv6650, ov6650_sensor_init, F_GAIN|F_SIF, 0, 0x60), SENS(initOv7630, ov7630_sensor_init, F_GAIN, 0, 0x21), SENS(initPas106, pas106_sensor_init, F_GAIN|F_SIF, NO_FREQ, 0), SENS(initPas202, pas202_sensor_init, F_GAIN, NO_FREQ, 0), -SENS(initTas5110c, tas5110_sensor_init, F_GAIN|F_SIF|F_COARSE_EXPO, +SENS(initTas5110c, tas5110c_sensor_init, F_GAIN|F_SIF|F_COARSE_EXPO, NO_BRIGHTNESS|NO_FREQ, 0), -SENS(initTas5110d, tas5110_sensor_init, F_GAIN|F_SIF|F_COARSE_EXPO, +SENS(initTas5110d, tas5110d_sensor_init, F_GAIN|F_SIF|F_COARSE_EXPO, NO_BRIGHTNESS|NO_FREQ, 0), SENS(initTas5130, tas5130_sensor_init, 0, NO_EXPO|NO_FREQ, 0), }; @@ -705,8 +713,7 @@ static void setsensorgain(struct gspca_dev *gspca_dev) goto err; break; } - case SENSOR_TAS5110C: - case SENSOR_TAS5110D: { + case SENSOR_TAS5110C: { __u8 i2c[] = {0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10}; @@ -715,6 +722,23 @@ static void setsensorgain(struct gspca_dev *gspca_dev) goto err; break; } + case SENSOR_TAS5110D: { + __u8 i2c[] = { + 0xb0, 0x61, 0x02, 0x00, 0x10, 0x00, 0x00, 0x17 }; + gain = 255 - gain; + /* The bits in the register are the wrong way around!! */ + i2c[3] |= (gain & 0x80) >> 7; + i2c[3] |= (gain & 0x40) >> 5; + i2c[3] |= (gain & 0x20) >> 3; + i2c[3] |= (gain & 0x10) >> 1; + i2c[3] |= (gain & 0x08) << 1; + i2c[3] |= (gain & 0x04) << 3; + i2c[3] |= (gain & 0x02) << 5; + i2c[3] |= (gain & 0x01) << 7; + if (i2c_w(gspca_dev, i2c) < 0) + goto err; + break; + } case SENSOR_OV6650: gain >>= 1; _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
