[PATCH v4] pwm: mtk-disp: Fix the parameters calculated by the enabled flag of disp_pwm

[AngeloGioacchino Del Regno]

Il 19/10/22 11:42, xinlei.lee at mediatek.com ha scritto:
> From: xinlei lee <xinlei.lee at mediatek.com>
> 
> In the original mtk_disp_pwm_get_state() function wrongly uses bit 0 of
> CON0 to judge if the PWM is enabled.
> However that is indicated by a bit (at a machine dependent position) in
> the DISP_PWM_EN register. Fix this accordingly.
> 
> Fixes: 3f2b16734914 ("pwm: mtk-disp: Implement atomic API .get_state()")
> Signed-off-by: xinlei lee <xinlei.lee at mediatek.com>
> Reviewed-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>