[PATCH v2 2/3] drm/bridge: parade-ps8640: Move real poweroff action to new function
Dafna Hirschfeld
dafna.hirschfeld at collabora.com
Wed Nov 10 12:44:09 UTC 2021
On 02.11.21 11:36, AngeloGioacchino Del Regno wrote:
> In preparation for varying the poweron error handling in function
> ps8640_bridge_poweron(), move function ps8640_bridge_poweroff() up
> and also move the actual logic to power off the chip to a new
> __ps8640_bridge_poweroff() function.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> ---
> drivers/gpu/drm/bridge/parade-ps8640.c | 37 ++++++++++++++------------
> 1 file changed, 20 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
> index 8c5402947b3c..41f5d511d516 100644
> --- a/drivers/gpu/drm/bridge/parade-ps8640.c
> +++ b/drivers/gpu/drm/bridge/parade-ps8640.c
> @@ -293,6 +293,26 @@ static int ps8640_bridge_vdo_control(struct ps8640 *ps_bridge,
> return 0;
> }
>
> +static void __ps8640_bridge_poweroff(struct ps8640 *ps_bridge)
> +{
> + gpiod_set_value(ps_bridge->gpio_reset, 1);
> + gpiod_set_value(ps_bridge->gpio_powerdown, 1);
> + if (regulator_bulk_disable(ARRAY_SIZE(ps_bridge->supplies),
> + ps_bridge->supplies)) {
> + DRM_ERROR("cannot disable regulators\n");
> + }
That '{' is redundant
Thanks,
Danfa
> +}
> +
> +static void ps8640_bridge_poweroff(struct ps8640 *ps_bridge)
> +{
> + if (!ps_bridge->powered)
> + return;
> +
> + __ps8640_bridge_poweroff(ps_bridge);
> +
> + ps_bridge->powered = false;
> +}
> +
> static int ps8640_bridge_poweron(struct ps8640 *ps_bridge)
> {
> struct regmap *map = ps_bridge->regmap[PAGE2_TOP_CNTL];
> @@ -361,23 +381,6 @@ static int ps8640_bridge_poweron(struct ps8640 *ps_bridge)
> return ret;
> }
>
> -static void ps8640_bridge_poweroff(struct ps8640 *ps_bridge)
> -{
> - int ret;
> -
> - if (!ps_bridge->powered)
> - return;
> -
> - gpiod_set_value(ps_bridge->gpio_reset, 1);
> - gpiod_set_value(ps_bridge->gpio_powerdown, 1);
> - ret = regulator_bulk_disable(ARRAY_SIZE(ps_bridge->supplies),
> - ps_bridge->supplies);
> - if (ret < 0)
> - DRM_ERROR("cannot disable regulators %d\n", ret);
> -
> - ps_bridge->powered = false;
> -}
> -
> static void ps8640_pre_enable(struct drm_bridge *bridge)
> {
> struct ps8640 *ps_bridge = bridge_to_ps8640(bridge);
>
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