diff options
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-csiphy.c | 35 | ||||
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss-csiphy.h | 2 |
2 files changed, 36 insertions, 1 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c index 2f7361dfd461..68a3ea1ba2a5 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c @@ -212,14 +212,25 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on) if (ret < 0) return ret; + ret = regulator_bulk_enable(csiphy->num_supplies, + csiphy->supplies); + if (ret < 0) { + pm_runtime_put_sync(dev); + return ret; + } + ret = csiphy_set_clock_rates(csiphy); if (ret < 0) { + regulator_bulk_disable(csiphy->num_supplies, + csiphy->supplies); pm_runtime_put_sync(dev); return ret; } ret = camss_enable_clocks(csiphy->nclocks, csiphy->clock, dev); if (ret < 0) { + regulator_bulk_disable(csiphy->num_supplies, + csiphy->supplies); pm_runtime_put_sync(dev); return ret; } @@ -234,6 +245,8 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on) camss_disable_clocks(csiphy->nclocks, csiphy->clock); + regulator_bulk_disable(csiphy->num_supplies, csiphy->supplies); + pm_runtime_put_sync(dev); } @@ -676,7 +689,27 @@ int msm_csiphy_subdev_init(struct camss *camss, } } - return 0; + /* CSIPHY supplies */ + for (i = 0; i < ARRAY_SIZE(res->regulators); i++) { + if (res->regulators[i]) + csiphy->num_supplies++; + } + + if (csiphy->num_supplies) { + csiphy->supplies = devm_kmalloc_array(camss->dev, + csiphy->num_supplies, + sizeof(*csiphy->supplies), + GFP_KERNEL); + if (!csiphy->supplies) + return -ENOMEM; + } + + for (i = 0; i < csiphy->num_supplies; i++) + csiphy->supplies[i].supply = res->regulators[i]; + + ret = devm_regulator_bulk_get(camss->dev, csiphy->num_supplies, + csiphy->supplies); + return ret; } /* diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.h b/drivers/media/platform/qcom/camss/camss-csiphy.h index 47f0b6b09eba..eebc1ff1cfab 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.h +++ b/drivers/media/platform/qcom/camss/camss-csiphy.h @@ -91,6 +91,8 @@ struct csiphy_device { bool *rate_set; int nclocks; u32 timer_clk_rate; + struct regulator_bulk_data *supplies; + int num_supplies; struct csiphy_config cfg; struct v4l2_mbus_framefmt fmt[MSM_CSIPHY_PADS_NUM]; const struct csiphy_subdev_resources *res; |