| Message ID | 5f1fd1b8f646c5ced1d838c381b6973e5abccd53.1566677788.git.mirq-linux@rere.qmqm.pl (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ] ASoC: atmel: extend SSC support | expand |
On 24.08.2019 23:26, Michał Mirosław wrote: > Store LRCLK pin selection for use by ASoC DAI driver. > > Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> Thanks and best regards, Codrin > > --- > v2: split from ASoC implementation > > --- > drivers/misc/atmel-ssc.c | 9 +++++++++ > include/linux/atmel-ssc.h | 2 ++ > 2 files changed, 11 insertions(+) > > diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c > index ab4144ea1f11..1322e29bc37a 100644 > --- a/drivers/misc/atmel-ssc.c > +++ b/drivers/misc/atmel-ssc.c > @@ -210,6 +210,15 @@ static int ssc_probe(struct platform_device *pdev) > struct device_node *np = pdev->dev.of_node; > ssc->clk_from_rk_pin = > of_property_read_bool(np, "atmel,clk-from-rk-pin"); > + ssc->lrclk_from_tf_pin = > + of_property_read_bool(np, "atmel,lrclk-from-tf-pin"); > + ssc->lrclk_from_rf_pin = > + of_property_read_bool(np, "atmel,lrclk-from-rf-pin"); > + > + if (ssc->lrclk_from_tf_pin && ssc->lrclk_from_rf_pin) { > + dev_err(&pdev->dev, "both LRCLK from RK/TK options found in DT node"); > + return -EINVAL; > + } > } > > regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); > diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h > index 6091d2abc1eb..fbe1c2ffaa81 100644 > --- a/include/linux/atmel-ssc.h > +++ b/include/linux/atmel-ssc.h > @@ -21,6 +21,8 @@ struct ssc_device { > int user; > int irq; > bool clk_from_rk_pin; > + bool lrclk_from_tf_pin; > + bool lrclk_from_rf_pin; > bool sound_dai; > }; > >
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index ab4144ea1f11..1322e29bc37a 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -210,6 +210,15 @@ static int ssc_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; ssc->clk_from_rk_pin = of_property_read_bool(np, "atmel,clk-from-rk-pin"); + ssc->lrclk_from_tf_pin = + of_property_read_bool(np, "atmel,lrclk-from-tf-pin"); + ssc->lrclk_from_rf_pin = + of_property_read_bool(np, "atmel,lrclk-from-rf-pin"); + + if (ssc->lrclk_from_tf_pin && ssc->lrclk_from_rf_pin) { + dev_err(&pdev->dev, "both LRCLK from RK/TK options found in DT node"); + return -EINVAL; + } } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h index 6091d2abc1eb..fbe1c2ffaa81 100644 --- a/include/linux/atmel-ssc.h +++ b/include/linux/atmel-ssc.h @@ -21,6 +21,8 @@ struct ssc_device { int user; int irq; bool clk_from_rk_pin; + bool lrclk_from_tf_pin; + bool lrclk_from_rf_pin; bool sound_dai; };
Store LRCLK pin selection for use by ASoC DAI driver. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> --- v2: split from ASoC implementation --- drivers/misc/atmel-ssc.c | 9 +++++++++ include/linux/atmel-ssc.h | 2 ++ 2 files changed, 11 insertions(+)