Commit 0bc77f3f authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab

[media] mt9t001: Implement V4L2_CID_PIXEL_RATE control

The pixel rate control is required by the OMAP3 ISP driver and should be
implemented by all media controller-compatible sensor drivers.
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 71006fb2
...@@ -691,7 +691,7 @@ static int mt9t001_video_probe(struct i2c_client *client) ...@@ -691,7 +691,7 @@ static int mt9t001_video_probe(struct i2c_client *client)
return ret; return ret;
/* Configure the pixel clock polarity */ /* Configure the pixel clock polarity */
if (pdata && pdata->clk_pol) { if (pdata->clk_pol) {
ret = mt9t001_write(client, MT9T001_PIXEL_CLOCK, ret = mt9t001_write(client, MT9T001_PIXEL_CLOCK,
MT9T001_PIXEL_CLOCK_INVERT); MT9T001_PIXEL_CLOCK_INVERT);
if (ret < 0) if (ret < 0)
...@@ -715,10 +715,16 @@ static int mt9t001_video_probe(struct i2c_client *client) ...@@ -715,10 +715,16 @@ static int mt9t001_video_probe(struct i2c_client *client)
static int mt9t001_probe(struct i2c_client *client, static int mt9t001_probe(struct i2c_client *client,
const struct i2c_device_id *did) const struct i2c_device_id *did)
{ {
struct mt9t001_platform_data *pdata = client->dev.platform_data;
struct mt9t001 *mt9t001; struct mt9t001 *mt9t001;
unsigned int i; unsigned int i;
int ret; int ret;
if (pdata == NULL) {
dev_err(&client->dev, "No platform data\n");
return -EINVAL;
}
if (!i2c_check_functionality(client->adapter, if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_WORD_DATA)) { I2C_FUNC_SMBUS_WORD_DATA)) {
dev_warn(&client->adapter->dev, dev_warn(&client->adapter->dev,
...@@ -735,7 +741,7 @@ static int mt9t001_probe(struct i2c_client *client, ...@@ -735,7 +741,7 @@ static int mt9t001_probe(struct i2c_client *client,
return -ENOMEM; return -ENOMEM;
v4l2_ctrl_handler_init(&mt9t001->ctrls, ARRAY_SIZE(mt9t001_ctrls) + v4l2_ctrl_handler_init(&mt9t001->ctrls, ARRAY_SIZE(mt9t001_ctrls) +
ARRAY_SIZE(mt9t001_gains) + 2); ARRAY_SIZE(mt9t001_gains) + 3);
v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops, v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
V4L2_CID_EXPOSURE, MT9T001_SHUTTER_WIDTH_MIN, V4L2_CID_EXPOSURE, MT9T001_SHUTTER_WIDTH_MIN,
...@@ -743,6 +749,9 @@ static int mt9t001_probe(struct i2c_client *client, ...@@ -743,6 +749,9 @@ static int mt9t001_probe(struct i2c_client *client,
MT9T001_SHUTTER_WIDTH_DEF); MT9T001_SHUTTER_WIDTH_DEF);
v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops, v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
V4L2_CID_BLACK_LEVEL, 1, 1, 1, 1); V4L2_CID_BLACK_LEVEL, 1, 1, 1, 1);
v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops,
V4L2_CID_PIXEL_RATE, pdata->ext_clk, pdata->ext_clk,
1, pdata->ext_clk);
for (i = 0; i < ARRAY_SIZE(mt9t001_ctrls); ++i) for (i = 0; i < ARRAY_SIZE(mt9t001_ctrls); ++i)
v4l2_ctrl_new_custom(&mt9t001->ctrls, &mt9t001_ctrls[i], NULL); v4l2_ctrl_new_custom(&mt9t001->ctrls, &mt9t001_ctrls[i], NULL);
......
...@@ -3,6 +3,7 @@ ...@@ -3,6 +3,7 @@
struct mt9t001_platform_data { struct mt9t001_platform_data {
unsigned int clk_pol:1; unsigned int clk_pol:1;
unsigned int ext_clk;
}; };
#endif #endif
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