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V4L/DVB (11425): gspca - m5602: Move the vflip quirk to probe stage. 

The vflip quirk is better checked at probe time as it's only needed once.
Also add an extra reset at init time to resolve a suspend to ram regression.

Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Erik Andr?n 2009-01-04 04:52:50 -03:00 committed by Mauro Carvalho Chehab
parent be63b722a5
commit 7460f52498
2 changed files with 46 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
drivers/media/video/gspca/m5602/m5602_ov9650.c
View File

@ -65,7 +65,7 @@ static
DMI_MATCH(DMI_PRODUCT_NAME, "Aurora m9700")
}
},
{ }
{}
};
const static struct ctrl ov9650_ctrls[] = {
@ -249,7 +249,7 @@ int ov9650_probe(struct sd *sd)
info("Probing for an ov9650 sensor");
/* Run the pre-init to actually probe the unit */
/* Run the pre-init before probing the sensor */
for (i = 0; i < ARRAY_SIZE(preinit_ov9650) && !err; i++) {
u8 data = preinit_ov9650[i][2];
if (preinit_ov9650[i][0] == SENSOR)
@ -273,11 +273,9 @@ int ov9650_probe(struct sd *sd)
info("Detected an ov9650 sensor");
goto sensor_found;
}
return -ENODEV;
sensor_found:
sensor_settings = kmalloc(
ARRAY_SIZE(ov9650_ctrls) * sizeof(s32), GFP_KERNEL);
if (!sensor_settings)
@ -292,6 +290,11 @@ sensor_found:
sensor_settings[i] = ov9650_ctrls[i].qctrl.default_value;
sd->sensor_priv = sensor_settings;
if (dmi_check_system(ov9650_flip_dmi_table) && !err) {
info("vflip quirk active");
sensor_settings[VFLIP_IDX] = 1;
}
return 0;
}
@ -299,6 +302,7 @@ int ov9650_init(struct sd *sd)
{
int i, err = 0;
u8 data;
s32 *sensor_settings = sd->sensor_priv;
if (dump_sensor)
ov9650_dump_registers(sd);
@ -312,11 +316,35 @@ int ov9650_init(struct sd *sd)
err = m5602_write_bridge(sd, init_ov9650[i][1], data);
}
if (dmi_check_system(ov9650_flip_dmi_table) && !err) {
info("vflip quirk active");
data = 0x30;
err = m5602_write_sensor(sd, OV9650_MVFP, &data, 1);
}
err = ov9650_set_exposure(&sd->gspca_dev, sensor_settings[EXPOSURE_IDX]);
if (err < 0)
return err;
err = ov9650_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
if (err < 0)
return err;
err = ov9650_set_red_balance(&sd->gspca_dev, sensor_settings[RED_BALANCE_IDX]);
if (err < 0)
return err;
err = ov9650_set_blue_balance(&sd->gspca_dev, sensor_settings[BLUE_BALANCE_IDX]);
if (err < 0)
return err;
err = ov9650_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
if (err < 0)
return err;
err = ov9650_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
if (err < 0)
return err;
err = ov9650_set_auto_white_balance(&sd->gspca_dev, sensor_settings[AUTO_WHITE_BALANCE_IDX]);
if (err < 0)
return err;
err = ov9650_set_auto_gain(&sd->gspca_dev, sensor_settings[AUTO_GAIN_CTRL_IDX]);
return err;
}
@ -339,6 +367,9 @@ int ov9650_start(struct sd *sd)
if (width <= 320)
hor_offs /= 2;
if (err < 0)
return err;
/* Synthesize the vsync/hsync setup */
for (i = 0; i < ARRAY_SIZE(res_init_ov9650) && !err; i++) {
if (res_init_ov9650[i][0] == BRIDGE)
@ -635,12 +666,7 @@ int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
if (err < 0)
return err;
if (dmi_check_system(ov9650_flip_dmi_table))
i2c_data = ((i2c_data & 0xdf) |
(((val ? 0 : 1) & 0x01) << 5));
else
i2c_data = ((i2c_data & 0xdf) |
((val & 0x01) << 5));
i2c_data = ((i2c_data & 0xdf) | ((val & 0x01) << 5));
err = m5602_write_sensor(sd, OV9650_MVFP, &i2c_data, 1);
@ -672,12 +698,7 @@ int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
if (err < 0)
return err;
if (dmi_check_system(ov9650_flip_dmi_table))
i2c_data = ((i2c_data & 0xef) |
(((val ? 0 : 1) & 0x01) << 4));
else
i2c_data = ((i2c_data & 0xef) |
((val & 0x01) << 4));
i2c_data = ((i2c_data & 0xef) | ((val & 0x01) << 4));
err = m5602_write_sensor(sd, OV9650_MVFP, &i2c_data, 1);

4
drivers/media/video/gspca/m5602/m5602_ov9650.h
View File

@ -218,6 +218,10 @@ static const unsigned char init_ov9650[][3] =
/* Reset chip */
{SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
/* One extra reset is needed in order to make the sensor behave
properly when resuming from ram */
{SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
/* Enable double clock */
{SENSOR, OV9650_CLKRC, 0x80},
/* Do something out of spec with the power */