On Tue, May 09, 2023 at 01:52:26PM +0200, Hans de Goede wrote: > BSW PWM2 is used for backlight control for fixed (etched into the glass) > touch controls on some models. > > Add an entry for the second PWM controller to bsw_pwm_lookup, > so that drivers can use pwm_get() to get a referene to it. > > These touch-controls have specialized drivers which bind to different > devices on different models, so the consumer-device-name in the lookup > table entry is set to NULL, so that only con-id matching is used. > > The con-id is set to "pwm_soc_lpss_2" which describes the PWM controller > rather then the usual approach of describing its function. > The specialized (model specific) drivers which need access to the PWM > controller know they need the "pwm_soc_lpss_2" con-id. > > Cc: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> I don't understand the conditional before the call to pwm_add_table, but I guess that's ok. Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |
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