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path: root/drivers/gpu/drm
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Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_host.c29
1 files changed, 6 insertions, 23 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index bc2e405758e3..604d80b85e42 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1349,36 +1349,19 @@ static irqreturn_t dsi_host_irq(int irq, void *ptr)
static int dsi_host_init_panel_gpios(struct msm_dsi_host *msm_host,
struct device *panel_device)
{
- int ret;
-
- msm_host->disp_en_gpio = devm_gpiod_get(panel_device,
- "disp-enable");
+ msm_host->disp_en_gpio = devm_gpiod_get_optional(panel_device,
+ "disp-enable",
+ GPIOD_OUT_LOW);
if (IS_ERR(msm_host->disp_en_gpio)) {
DBG("cannot get disp-enable-gpios %ld",
PTR_ERR(msm_host->disp_en_gpio));
- msm_host->disp_en_gpio = NULL;
- }
- if (msm_host->disp_en_gpio) {
- ret = gpiod_direction_output(msm_host->disp_en_gpio, 0);
- if (ret) {
- pr_err("cannot set dir to disp-en-gpios %d\n", ret);
- return ret;
- }
+ return PTR_ERR(msm_host->disp_en_gpio);
}
- msm_host->te_gpio = devm_gpiod_get(panel_device, "disp-te");
+ msm_host->te_gpio = devm_gpiod_get(panel_device, "disp-te", GPIOD_IN);
if (IS_ERR(msm_host->te_gpio)) {
DBG("cannot get disp-te-gpios %ld", PTR_ERR(msm_host->te_gpio));
- msm_host->te_gpio = NULL;
- }
-
- if (msm_host->te_gpio) {
- ret = gpiod_direction_input(msm_host->te_gpio);
- if (ret) {
- pr_err("%s: cannot set dir to disp-te-gpios, %d\n",
- __func__, ret);
- return ret;
- }
+ return PTR_ERR(msm_host->te_gpio);
}
return 0;