diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-ilitek-ili9882t.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ilitek-ili9882t.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c index 267a530704..35ea5494e0 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c @@ -560,7 +560,11 @@ static int ili9882t_prepare(struct drm_panel *panel) usleep_range(10000, 11000); // MIPI needs to keep the LP11 state before the lcm_reset pin is pulled high - mipi_dsi_dcs_nop(ili->dsi); + ret = mipi_dsi_dcs_nop(ili->dsi); + if (ret < 0) { + dev_err(&ili->dsi->dev, "Failed to send NOP: %d\n", ret); + goto poweroff; + } usleep_range(1000, 2000); gpiod_set_value(ili->enable_gpio, 1); @@ -579,13 +583,13 @@ static int ili9882t_prepare(struct drm_panel *panel) return 0; poweroff: + gpiod_set_value(ili->enable_gpio, 0); regulator_disable(ili->avee); poweroffavdd: regulator_disable(ili->avdd); poweroff1v8: usleep_range(5000, 7000); regulator_disable(ili->pp1800); - gpiod_set_value(ili->enable_gpio, 0); return ret; } |