From: Peter Ujfalusi Date: Fri, 23 Sep 2011 06:49:43 +0000 (+0300) Subject: ASoC: omap-mcpdm: Correct the supported number of channels X-Git-Tag: firefly_0821_release~3680^2~2691^2~790 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3b5b516fbf7a057b6e2d115c301fec2e206eb6ea;hp=ebca813cf08bc1db6a7b211eddc8ca747b6291bc;p=firefly-linux-kernel-4.4.55.git ASoC: omap-mcpdm: Correct the supported number of channels OMAP4 McPDM supports 5 downlink (playback), and 3 uplink (capture) channels. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c index 159a5e98d66a..2c9fa5105fd2 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, },