Re: [PATCH v8 11/17] pwm: crc: Enable/disable PWM output on enable/disable

Thierry Reding
2020-08-31T11:21:25Z

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On Sun, Aug 30, 2020 at 02:57:47PM +0200, Hans de Goede wrote:
> The pwm-crc code is using 2 different enable bits:
> 1. bit 7 of the PWM0_CLK_DIV (PWM_OUTPUT_ENABLE)
> 2. bit 0 of the BACKLIGHT_EN register
>
> So far we've kept the PWM_OUTPUT_ENABLE bit set when disabling the PWM,
> this commit makes crc_pwm_disable() clear it on disable and makes
> crc_pwm_enable() set it again on re-enable.
>
> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
> Changes in v3:
> - Remove paragraph about tri-stating the output from the commit message,
> we don't have a datasheet so this was just an unfounded guess
> ---
> drivers/pwm/pwm-crc.c | 4 ++++
> 1 file changed, 4 insertions(+)

Acked-by: Thierry Reding <thierry.reding@gmail.com>

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