From: Kuninori Morimoto Date: Tue, 31 Oct 2017 00:40:32 +0000 (+0000) Subject: ASoC: rsnd: Don't check SSISR::DIRQ when Capture X-Git-Tag: v4.15-rc1~118^2~1^2~11^2~3 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ce548931207c0d0059bd90171e2c458f897354d7;p=linux.git 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 Signed-off-by: Kuninori Morimoto Signed-off-by: Mark Brown --- diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 61b4ce20ee2b..58e3420a1f05 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -598,15 +598,18 @@ 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,