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drm: brainlcd: store en-gpio in the private struct

This commit is contained in:
Takumi Sueda 2023-03-28 02:33:39 +09:00
parent a1b5c6af05
commit bf2d035feb
1 changed files with 13 additions and 4 deletions
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17
drivers/gpu/drm/tiny/brain.c
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@ -56,6 +56,8 @@ struct brain_drm_private {
struct drm_simple_display_pipe pipe;
struct drm_connector connector;
struct drm_panel *panel;
struct gpio_desc **en_gpios;
int en_gpios_count;
};
static const struct {
@ -506,7 +508,6 @@ static int brain_probe(struct platform_device *pdev)
struct drm_device *drm;
struct brain_drm_private *ili;
struct resource *res;
struct gpio_desc *en;
u32 width, height;
int i, ret;
@ -554,9 +555,17 @@ static int brain_probe(struct platform_device *pdev)
drm_mode_config_init(drm);
drm->mode_config.funcs = &brain_mode_config_funcs;
for (i = 0; i < gpiod_count(&pdev->dev, "sharp,en"); i++) {
en = devm_gpiod_get_index(&pdev->dev, "sharp,en", i, GPIOD_OUT_HIGH);
if (IS_ERR(en))
ili->en_gpios_count = gpiod_count(&pdev->dev, "sharp,en");
dev_err(&pdev->dev, "FOUND %d GPIOS\n", ili->en_gpios_count);
ili->en_gpios = devm_kzalloc(&pdev->dev, sizeof(struct gpio_desc *) * ili->en_gpios_count, GFP_KERNEL);
if (!ili->en_gpios) {
drm_dev_put(drm);
return -ENOMEM;
}
for (i = 0; i < ili->en_gpios_count; i++) {
ili->en_gpios[i] = devm_gpiod_get_index(&pdev->dev, "sharp,en", i, GPIOD_OUT_HIGH);
if (IS_ERR(ili->en_gpios[i]))
dev_err(&pdev->dev, "failed to get gpio %d\n", i);
continue;
ret = gpiod_direction_output(en, 1);