[PATCH v2 5/6] ASoC: omap-mcpdm: Correct the supported number of channels
STALE5471d
From: Peter Ujfalusi <hidden>
Date: 2011-09-23 06:50:52
Also in:
alsa-devel, lkml
Subsystem:
sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
Revision v2 of 3 in this series.
Revisions (3)
- v1 [diff vs current]
- v2 current
- v3 [diff vs current]
OMAP4 McPDM supports 5 downlink (playback), and 3 uplink (capture) channels. Signed-off-by: Peter Ujfalusi <redacted> --- sound/soc/omap/omap-mcpdm.c | 14 ++++++++------ 1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index 159a5e9..2c9fa51 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c@@ -299,15 +299,17 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, channels = params_channels(params); switch (channels) { + case 5: + if (stream == SNDRV_PCM_STREAM_CAPTURE) + /* up to 3 channels for capture */ + return -EINVAL; + link_mask |= 1 << 4; case 4: if (stream == SNDRV_PCM_STREAM_CAPTURE) - /* up to 2 channels for capture */ + /* up to 3 channels for capture */ return -EINVAL; link_mask |= 1 << 3; case 3: - if (stream == SNDRV_PCM_STREAM_CAPTURE) - /* up to 2 channels for capture */ - return -EINVAL; link_mask |= 1 << 2; case 2: link_mask |= 1 << 1;
@@ -403,13 +405,13 @@ static struct snd_soc_dai_driver omap_mcpdm_dai = { .remove_order = SND_SOC_COMP_ORDER_EARLY, .playback = { .channels_min = 1, - .channels_max = 4, + .channels_max = 5, .rates = OMAP_MCPDM_RATES, .formats = OMAP_MCPDM_FORMATS, }, .capture = { .channels_min = 1, - .channels_max = 2, + .channels_max = 3, .rates = OMAP_MCPDM_RATES, .formats = OMAP_MCPDM_FORMATS, },
--
1.7.6.1