Commit f00de180 authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Thierry Reding
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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: default avatarDouglas Anderson <dianders@chromium.org>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-4-u.kleine-koenig@pengutronix.de


Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent 3dae106f

drivers/gpu/drm/bridge/ti-sn65dsi86.c

+4 −4
Original line number Diff line number Diff line
@@ -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))