[PATCH v1 12/14] ASoC: omap-mcpdm: Move the WD enable write inside omap_mcpdm_open_streams()
From: Peter Ujfalusi <hidden>
Date: 2016-05-30 08:57:42
Also in:
alsa-devel, linux-arm-kernel, linux-clk, linux-omap, lkml
Subsystem:
sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
The DS4_WD_EN bit is only touched before calling omap_mcpdm_open_streams(). Move it inside of that function for simplicity. Signed-off-by: Peter Ujfalusi <redacted> --- sound/soc/omap/omap-mcpdm.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index b837265ac3e9..11bd07cdce22 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c@@ -173,6 +173,10 @@ static inline int omap_mcpdm_active(struct omap_mcpdm *mcpdm) */ static void omap_mcpdm_open_streams(struct omap_mcpdm *mcpdm) { + u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); + + omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl | MCPDM_WD_EN); + omap_mcpdm_write(mcpdm, MCPDM_REG_IRQENABLE_SET, MCPDM_DN_IRQ_EMPTY | MCPDM_DN_IRQ_FULL | MCPDM_UP_IRQ_EMPTY | MCPDM_UP_IRQ_FULL);
@@ -258,12 +262,9 @@ static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream, mutex_lock(&mcpdm->mutex); - if (!dai->active) { - u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); - - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl | MCPDM_WD_EN); + if (!dai->active) omap_mcpdm_open_streams(mcpdm); - } + mutex_unlock(&mcpdm->mutex); return 0;
--
2.8.3