diff options
Diffstat (limited to 'drivers/media/i2c/ccs/ccs-core.c')
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-core.c | 30 |
1 files changed, 23 insertions, 7 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); |