Commit 95fc5ef8 authored Nov 17, 2015 by Kuninori Morimoto Committed by Greg Kroah-Hartman Aug 30, 2017

ASoC: rsnd: ssi: 24bit data needs right-aligned settings



commit f46a93b820eb3707faf238cd769a004e2504515f upstream.

Data left/right aligned is controlled by PDTA bit on SSICR.
But default is left-aligned. Thus 24bit sound will be very small sound
without this patch.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Thong Ho <thong.ho.px@rvc.renesas.com>
Signed-off-by: Nhan Nguyen <nhan.nguyen.yb@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent fd504621

sound/soc/sh/rcar/ssi.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@
		#define SCKP (1 << 13) /* Serial Bit Clock Polarity */
		#define SWSP (1 << 12) /* Serial WS Polarity */
		#define SDTA (1 << 10) /* Serial Data Alignment */
		#define PDTA (1 << 9) /* Parallel Data Alignment */
		#define DEL (1 << 8) /* Serial Data Delay */
		#define CKDV(v) (v << 4) /* Serial Clock Division Ratio */
		#define TRMD (1 << 1) /* Transmit/Receive Mode Select */
		@@ -286,7 +287,7 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
		struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
		u32 cr;

		cr = FORCE;
		cr = FORCE \| PDTA;

		/*
		* always use 32bit system word for easy clock calculation.