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authorJiada Wang <jiada_wang@mentor.com>2017-11-28 16:05:13 +0900
committerMark Brown <broonie@kernel.org>2017-11-28 11:52:52 +0000
commita91d7fb97092d6b840af5899ded3b389603fd7f1 (patch)
tree2c7c18926bab2d61006a734d73766962090bfc0a /sound
parentc20c6704bf2dafaba0d90c8310ef9e919fe4d2e2 (diff)
downloadlinux-a91d7fb97092d6b840af5899ded3b389603fd7f1.tar.gz
ASoC: rsnd: ssiu: clear SSI_MODE for non TDM Extended modes
register SSI_MODE is set when SSI works in TDM Extended,
but it isn't reset when SSI starts to work in other modes,
thus causes issues.

This patch clearss SSI_MODE register when SSI works in modes
other than TDM Extended.

Fixes: 186fadc132f0 ("ASoC: rsnd: add TDM Extend Mode support")
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/sh/rcar/ssiu.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c
index 4d948757d300..6ff8a36c2c82 100644
--- a/sound/soc/sh/rcar/ssiu.c
+++ b/sound/soc/sh/rcar/ssiu.c
@@ -125,6 +125,7 @@ static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
 {
 	int hdmi = rsnd_ssi_hdmi_port(io);
 	int ret;
+	u32 mode = 0;
 
 	ret = rsnd_ssiu_init(mod, io, priv);
 	if (ret < 0)
@@ -136,9 +137,11 @@ static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
 		 * see
 		 *	rsnd_ssi_config_init()
 		 */
-		rsnd_mod_write(mod, SSI_MODE, 0x1);
+		mode = 0x1;
 	}
 
+	rsnd_mod_write(mod, SSI_MODE, mode);
+
 	if (rsnd_ssi_use_busif(io)) {
 		rsnd_mod_write(mod, SSI_BUSIF_ADINR,
 			       rsnd_get_adinr_bit(mod, io) |