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/linux/drivers/pwm/
H A Dpwm-ntxec.c9fc0486f948f00f90cba4da9e3b2b58ff00b2a53 Sun Jan 24 22:41:24 CET 2021 Jonathan Neuschäfer <j.neuschaefer@gmx.net> pwm: ntxec: Add driver for PWM function in Netronix EC

The Netronix EC provides a PWM output which is used for the backlight
on some ebook readers. This patches adds a driver for the PWM output.

The .get_state callback is not implemented, because the PWM state can't
be read back from the hardware.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
H A DMakefilediff 9fc0486f948f00f90cba4da9e3b2b58ff00b2a53 Sun Jan 24 22:41:24 CET 2021 Jonathan Neuschäfer <j.neuschaefer@gmx.net> pwm: ntxec: Add driver for PWM function in Netronix EC

The Netronix EC provides a PWM output which is used for the backlight
on some ebook readers. This patches adds a driver for the PWM output.

The .get_state callback is not implemented, because the PWM state can't
be read back from the hardware.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
H A DKconfigdiff 9fc0486f948f00f90cba4da9e3b2b58ff00b2a53 Sun Jan 24 22:41:24 CET 2021 Jonathan Neuschäfer <j.neuschaefer@gmx.net> pwm: ntxec: Add driver for PWM function in Netronix EC

The Netronix EC provides a PWM output which is used for the backlight
on some ebook readers. This patches adds a driver for the PWM output.

The .get_state callback is not implemented, because the PWM state can't
be read back from the hardware.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>