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author | Takashi Iwai <tiwai@suse.de> | 2012-11-13 07:48:07 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-11-13 07:48:07 +0100 |
commit | 6214b54cbf0778804de1297444c7661e70bc4d74 (patch) | |
tree | 262a96d1be839a30e6e8d3f3452806b7f337148c /sound/soc/mxs/mxs-saif.c | |
parent | 05193639ca977cc889668718adb38db6d585045b (diff) | |
parent | ba027da8eb309252cb611f23808da51487f68e12 (diff) | |
download | kernel_replicant_linux-6214b54cbf0778804de1297444c7661e70bc4d74.tar.gz kernel_replicant_linux-6214b54cbf0778804de1297444c7661e70bc4d74.tar.bz2 kernel_replicant_linux-6214b54cbf0778804de1297444c7661e70bc4d74.zip |
Merge tag 'asoc-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.7
A few small fixes plus a large but simple change for WM5102 which writes
out a bunch of register updates to the device when we enable the clock
as recommended following chip evaluation.
Diffstat (limited to 'sound/soc/mxs/mxs-saif.c')
-rw-r--r-- | sound/soc/mxs/mxs-saif.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index aa037b292f3d..c294fbb523fc 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -523,16 +523,24 @@ static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd, if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { /* - * write a data to saif data register to trigger - * the transfer + * write data to saif data register to trigger + * the transfer. + * For 24-bit format the 32-bit FIFO register stores + * only one channel, so we need to write twice. + * This is also safe for the other non 24-bit formats. */ __raw_writel(0, saif->base + SAIF_DATA); + __raw_writel(0, saif->base + SAIF_DATA); } else { /* - * read a data from saif data register to trigger - * the receive + * read data from saif data register to trigger + * the receive. + * For 24-bit format the 32-bit FIFO register stores + * only one channel, so we need to read twice. + * This is also safe for the other non 24-bit formats. */ __raw_readl(saif->base + SAIF_DATA); + __raw_readl(saif->base + SAIF_DATA); } master_saif->ongoing = 1; @@ -812,3 +820,4 @@ module_platform_driver(mxs_saif_driver); MODULE_AUTHOR("Freescale Semiconductor, Inc."); MODULE_DESCRIPTION("MXS ASoC SAIF driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:mxs-saif"); |