From 376142b7bbc1edef2900ddc300a006f8c056b0d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= <mirq-linux@rere.qmqm.pl>
Date: Sat, 24 Aug 2019 22:26:54 +0200
Subject: [PATCH] ASoC: atmel_ssc_dai: implement left-justified data mode
Mime-version: 1.0
Content-type: text/plain; charset=UTF-8
Content-transfer-encoding: 8bit
Git-commit: 376142b7bbc1edef2900ddc300a006f8c056b0d5
Patch-mainline: v5.4-rc1
References: jsc#SLE-16518
Enable support for left-justified data mode for SSC-codec link.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/44fa6b700421e80778f20ff9ead2b148cf6d2e92.1566677788.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/atmel/atmel_ssc_dai.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index 7dc6ec9b8c7a..48e9eef34c0f 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -564,6 +564,15 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
switch (ssc_p->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_LEFT_J:
+ fs_osync = SSC_FSOS_POSITIVE;
+ fs_edge = SSC_START_RISING_RF;
+
+ rcmr = SSC_BF(RCMR_STTDLY, 0);
+ tcmr = SSC_BF(TCMR_STTDLY, 0);
+
+ break;
+
case SND_SOC_DAIFMT_I2S:
fs_osync = SSC_FSOS_NEGATIVE;
fs_edge = SSC_START_FALLING_RF;
--
2.16.4