V4L/DVB: gspca - sq930x: Add some comments for sensor mt9v111

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/sq930x.c b/drivers/media/video/gspca/sq930x.c
index 01954701d81336ca6ba50e29449222bd67eb1146..37cee5e063cfb8bc51443ab026cf08dfa112c03b 100644 (file)
--- a/drivers/media/video/gspca/sq930x.c
+++ b/drivers/media/video/gspca/sq930x.c
@@ -299,24 +299,24 @@ static const struct i2c_write_cmd mi0360_start_4[] = {
 };
 
 static const struct i2c_write_cmd mt9v111_init_0[] = {
-       {0x01, 0x0001},
-       {0x06, 0x300c},
-       {0x08, 0xcc00},
-       {0x01, 0x0004},
+       {0x01, 0x0001},         /* select IFP/SOC registers */
+       {0x06, 0x300c},         /* operating mode control */
+       {0x08, 0xcc00},         /* output format control (RGB) */
+       {0x01, 0x0004},         /* select core registers */
 };
 static const struct i2c_write_cmd mt9v111_init_1[] = {
-       {0x03, 0x01e5},
-       {0x04, 0x0285},
+       {0x03, 0x01e5},         /* window height */
+       {0x04, 0x0285},         /* window width */
 };
 static const struct i2c_write_cmd mt9v111_init_2[] = {
        {0x30, 0x7800},
        {0x31, 0x0000},
-       {0x07, 0x3002},
-       {0x35, 0x0020},
-       {0x2b, 0x0020},
-       {0x2c, 0x0020},
-       {0x2d, 0x0020},
-       {0x2e, 0x0020},
+       {0x07, 0x3002},         /* output control */
+       {0x35, 0x0020},         /* global gain */
+       {0x2b, 0x0020},         /* green1 gain */
+       {0x2c, 0x0020},         /* blue gain */
+       {0x2d, 0x0020},         /* red gain */
+       {0x2e, 0x0020},         /* green2 gain */
 };
 static const struct ucbus_write_cmd mt9v111_start_1[] = {
        {0xf5f0, 0x11}, {0xf5f1, 0x96}, {0xf5f2, 0x80}, {0xf5f3, 0x80},
@@ -330,7 +330,7 @@ static const struct i2c_write_cmd mt9v111_init_3[] = {
        {0x62, 0x0405},
 };
 static const struct i2c_write_cmd mt9v111_init_4[] = {
-       {0x05, 0x00ce},
+       {0x05, 0x00ce},         /* horizontal blanking */
 };
 
 static const struct ucbus_write_cmd ov7660_start_0[] = {