blob: feb81f6c9b26ebc2e6e76f501b56d81d0f8d0422 [file] [log] [blame]
From 9c4947b2704667ba94e4ec58b91cf3a1e1403ee0 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Tue, 31 Oct 2017 00:40:32 +0000
Subject: [PATCH 0149/1795] ASoC: rsnd: Don't check SSISR::DIRQ when Capture
When stop case, it was Playback, it need to check all data were
completely sent. But in Capture case, it might not receive data
anymore. SSISR::DIRQ check is not need for Capture case.
Reported-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit ce548931207c0d0059bd90171e2c458f897354d7)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
sound/soc/sh/rcar/ssi.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index d64abbbe1a98..cbf3bf312d23 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -607,15 +607,18 @@ static int rsnd_ssi_stop(struct rsnd_mod *mod,
if (rsnd_ssi_is_parent(mod, io))
return 0;
- /*
- * disable all IRQ,
- * and, wait all data was sent
- */
cr = ssi->cr_own |
ssi->cr_clk;
- rsnd_mod_write(mod, SSICR, cr | EN);
- rsnd_ssi_status_check(mod, DIRQ);
+ /*
+ * disable all IRQ,
+ * Playback: Wait all data was sent
+ * Capture: It might not receave data. Do nothing
+ */
+ if (rsnd_io_is_play(io)) {
+ rsnd_mod_write(mod, SSICR, cr | EN);
+ rsnd_ssi_status_check(mod, DIRQ);
+ }
/*
* disable SSI,
--
2.19.0