diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2020-10-06 15:05:25 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-12-03 12:27:32 +0100 |
| commit | 621214c36e84643bc104e030ef1e1422ff45156c (patch) | |
| tree | 6b08f5cf05646cc41d57227757e9fc0948de91d0 /drivers/media/i2c/ccs | |
| parent | 6904d4a988d65d1bc373740cda0940fb1a2f665e (diff) | |
media: ccs: Use all regulators
Use regulators vio and vcore besides vana. The regulators were always
there but on many boards they've been hard wired. Control them explicitly
now.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c/ccs')
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-core.c | 30 | ||||
| -rw-r--r-- | drivers/media/i2c/ccs/ccs.h | 2 |
2 files changed, 24 insertions, 8 deletions
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 89dc09587211..4447ca367a84 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -65,6 +65,8 @@ struct ccs_device { unsigned char flags; }; +static const char * const ccs_regulators[] = { "vcore", "vio", "vana" }; + /* * * Dynamic Capability Identification @@ -1304,7 +1306,8 @@ static int ccs_power_on(struct device *dev) unsigned int sleep; int rval; - rval = regulator_enable(sensor->vana); + rval = regulator_bulk_enable(ARRAY_SIZE(ccs_regulators), + sensor->regulators); if (rval) { dev_err(dev, "failed to enable vana regulator\n"); return rval; @@ -1416,7 +1419,8 @@ out_cci_addr_fail: clk_disable_unprepare(sensor->ext_clk); out_xclk_fail: - regulator_disable(sensor->vana); + regulator_bulk_disable(ARRAY_SIZE(ccs_regulators), + sensor->regulators); return rval; } @@ -1442,7 +1446,8 @@ static int ccs_power_off(struct device *dev) gpiod_set_value(sensor->xshutdown, 0); clk_disable_unprepare(sensor->ext_clk); usleep_range(5000, 5000); - regulator_disable(sensor->vana); + regulator_bulk_disable(ARRAY_SIZE(ccs_regulators), + sensor->regulators); sensor->streaming = false; return 0; @@ -2981,10 +2986,21 @@ static int ccs_probe(struct i2c_client *client) v4l2_i2c_subdev_init(&sensor->src->sd, client, &ccs_ops); sensor->src->sd.internal_ops = &ccs_internal_src_ops; - sensor->vana = devm_regulator_get(&client->dev, "vana"); - if (IS_ERR(sensor->vana)) { - dev_err(&client->dev, "could not get regulator for vana\n"); - return PTR_ERR(sensor->vana); + sensor->regulators = devm_kcalloc(&client->dev, + ARRAY_SIZE(ccs_regulators), + sizeof(*sensor->regulators), + GFP_KERNEL); + if (!sensor->regulators) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(ccs_regulators); i++) + sensor->regulators[i].supply = ccs_regulators[i]; + + rval = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(ccs_regulators), + sensor->regulators); + if (rval) { + dev_err(&client->dev, "could not get regulators\n"); + return rval; } sensor->ext_clk = devm_clk_get(&client->dev, NULL); diff --git a/drivers/media/i2c/ccs/ccs.h b/drivers/media/i2c/ccs/ccs.h index 6b07e4143ff0..356b87c33405 100644 --- a/drivers/media/i2c/ccs/ccs.h +++ b/drivers/media/i2c/ccs/ccs.h @@ -223,7 +223,7 @@ struct ccs_sensor { struct ccs_subdev *scaler; struct ccs_subdev *pixel_array; struct ccs_hwconfig hwcfg; - struct regulator *vana; + struct regulator_bulk_data *regulators; struct clk *ext_clk; struct gpio_desc *xshutdown; struct gpio_desc *reset; |