hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

media: atomisp: Refactor PMIC detection to a separate function 

Refactor PMIC detection to a separate function. In the future
we may move this code somewhere else where it's more suitable.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Andy Shevchenko 2020-06-29 12:57:35 +02:00 committed by Mauro Carvalho Chehab
parent e4fb745c95
commit c30f4cb2d4
1 changed files with 36 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c
View File

@ -478,7 +478,38 @@ fail:
return clock_num;
}
static struct i2c_client *power;
static u8 gmin_get_pmic_id_and_addr(struct device *dev)
{
struct i2c_client *power;
static u8 pmic_i2c_addr;
if (pmic_id)
return pmic_i2c_addr;
if (gmin_i2c_dev_exists(dev, PMIC_ACPI_TI, &power))
pmic_id = PMIC_TI;
else if (gmin_i2c_dev_exists(dev, PMIC_ACPI_AXP, &power))
pmic_id = PMIC_AXP;
else if (gmin_i2c_dev_exists(dev, PMIC_ACPI_CRYSTALCOVE, &power))
pmic_id = PMIC_CRYSTALCOVE;
else
pmic_id = PMIC_REGULATOR;
pmic_i2c_addr = power ? power->addr : 0;
return pmic_i2c_addr;
}
static int gmin_detect_pmic(struct v4l2_subdev *subdev)
{
struct i2c_client *client = v4l2_get_subdevdata(subdev);
struct device *dev = &client->dev;
u8 pmic_i2c_addr;
pmic_i2c_addr = gmin_get_pmic_id_and_addr(dev);
dev_info(dev, "gmin: power management provided via %s (i2c addr 0x%02x)\n",
pmic_name[pmic_id], pmic_i2c_addr);
return pmic_i2c_addr;
}
static struct gmin_subdev *gmin_subdev_add(struct v4l2_subdev *subdev)
{
@ -580,27 +611,6 @@ static struct gmin_subdev *gmin_subdev_add(struct v4l2_subdev *subdev)
* in order to set clocks and do power management.
*/
if (!pmic_id) {
if (gmin_i2c_dev_exists(dev, PMIC_ACPI_TI, &power))
pmic_id = PMIC_TI;
else if (gmin_i2c_dev_exists(dev, PMIC_ACPI_AXP, &power))
pmic_id = PMIC_AXP;
else if (gmin_i2c_dev_exists(dev, PMIC_ACPI_CRYSTALCOVE, &power))
pmic_id = PMIC_CRYSTALCOVE;
else
pmic_id = PMIC_REGULATOR;
}
if (power) {
gs->pwm_i2c_addr = power->addr;
dev_info(dev,
"gmin: power management provided via %s (i2c addr 0x%02x)\n",
pmic_name[pmic_id], power->addr);
} else {
dev_info(dev, "gmin: power management provided via %s\n",
pmic_name[pmic_id]);
}
/*
* According with :
* https://github.com/projectceladon/hardware-intel-kernelflinger/blob/master/doc/fastboot.md
@ -1053,10 +1063,13 @@ struct camera_sensor_platform_data *gmin_camera_platform_data(
enum atomisp_input_format csi_format,
enum atomisp_bayer_order csi_bayer)
{
struct gmin_subdev *gs = gmin_subdev_add(subdev);
struct gmin_subdev *gs;
u8 pmic_i2c_addr = gmin_detect_pmic(subdev);
gs = gmin_subdev_add(subdev);
gs->csi_fmt = csi_format;
gs->csi_bayer = csi_bayer;
gs->pwm_i2c_addr = pmic_i2c_addr;
if (gs->pmc_clk)
return &pmic_gmin_plat;