diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2022-12-02 19:35:28 +0100 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2022-12-06 12:46:23 +0100 |
| commit | f00de180661d8191aa979c2a8a8f4ec2b35a4cfd (patch) | |
| tree | d91eeeae90b8cdbee16833f38e36d2a064afc629 /drivers/gpu/drm/bridge/ti-sn65dsi86.c | |
| parent | 3dae106f4ca358bb1d8d8708d3289fa130b1ad5b (diff) | |
drm/bridge: ti-sn65dsi86: Propagate errors in .get_state() to the caller
.get_state() can return an error indication. Make use of it to propagate
failing hardware accesses.
Acked-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-4-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/bridge/ti-sn65dsi86.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/ti-sn65dsi86.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 6826d2423ae9..9671071490d8 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -1512,19 +1512,19 @@ static int ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, ret = regmap_read(pdata->regmap, SN_PWM_EN_INV_REG, &pwm_en_inv); if (ret) - return 0; + return ret; ret = ti_sn65dsi86_read_u16(pdata, SN_BACKLIGHT_SCALE_REG, &scale); if (ret) - return 0; + return ret; ret = ti_sn65dsi86_read_u16(pdata, SN_BACKLIGHT_REG, &backlight); if (ret) - return 0; + return ret; ret = regmap_read(pdata->regmap, SN_PWM_PRE_DIV_REG, &pre_div); if (ret) - return 0; + return ret; state->enabled = FIELD_GET(SN_PWM_EN_MASK, pwm_en_inv); if (FIELD_GET(SN_PWM_INV_MASK, pwm_en_inv)) |