[PATCH v2 1/3] pwm: lpc32xx: Set PWM_PIN_LEVEL bit to default value

Thierry Reding thierry.reding at gmail.com
Mon Jul 11 01:55:23 PDT 2016


On Mon, Jun 27, 2016 at 09:09:55AM -0400, Sylvain Lemieux wrote:
> From: Sylvain Lemieux <slemieux at tycoint.com>
> 
> The PWM_PIN_LEVEL bit is leave unset by the kernel PWM driver.
> 
> Prior to commit 08ee77b5a5de27ad63c92262ebcb4efe0da93b58,
> the PWM_PIN_LEVEL bit was always clear when the PWM was disable
> and a 0 logic level was apply to the output.
> 
> According to the LPC32x0 User Manual [1],
> the default value for bit 30 (PWM_PIN_LEVEL) is 0.
> 
> This change initialize the pin level to 0 (default value) and
> update the register value accordingly.
> 
> [1] http://www.nxp.com/documents/user_manual/UM10326.pdf
> 
> Signed-off-by: Sylvain Lemieux <slemieux at tycoint.com>
> ---
> Changes from v1 to v2:
> * Only setup the "PWMx_PIN_LEVEL" once on probe.
> 
>  drivers/pwm/pwm-lpc32xx.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Applied, thanks.

Thierry
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