pwm: imx27: Cache duty cycle register value

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The hardware register containing the duty cycle value cannot be accessed
when the PWM is disabled. This causes the ->get_state() callback to read
back a duty cycle value of 0, which can confuse consumer drivers.

Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Tested-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

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Thierry Reding 2019-10-17 12:56:00 +02:00

parent 1db37f9561

commit a3597d6c89

1 changed files with 24 additions and 7 deletions

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drivers/pwm/pwm-imx27.c

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