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| author | Maxime Ripard <maxime.ripard@bootlin.com> | 2019-08-19 21:25:26 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-08-20 18:34:29 +0100 |
| commit | bbf9a127abca4aac5cc75f882bc7efcc398e86ae (patch) | |
| tree | 0f8b433996bdcf8014a72a0d647440877e80599a /sound/soc/sunxi/sun4i-i2s.c | |
| parent | 0083a507a78fdfa868acc0709408b59e72488a61 (diff) | |
| download | lwn-bbf9a127abca4aac5cc75f882bc7efcc398e86ae.tar.gz lwn-bbf9a127abca4aac5cc75f882bc7efcc398e86ae.zip | |
ASoC: sun4i-i2s: Support more channels
We've been limited to 2 channels in the driver while the controller
supports from 1 to 8 channels, in both capture and playback. let's remove
the hardcoded checks and numbers, and extend the range of channel numbers
we can use.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://lore.kernel.org/r/27d9de5cd56f3a544851b8cd8af08bf836d19637.1566242458.git-series.maxime.ripard@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sunxi/sun4i-i2s.c')
| -rw-r--r-- | sound/soc/sunxi/sun4i-i2s.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 6b172dfbc25d..9e691baee1e8 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -400,9 +400,6 @@ static int sun4i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, { unsigned int channels = params_channels(params); - if (channels != 2) - return -EINVAL; - /* Map the channels for playback and capture */ regmap_write(i2s->regmap, SUN4I_I2S_TX_CHAN_MAP_REG, 0x76543210); regmap_write(i2s->regmap, SUN4I_I2S_RX_CHAN_MAP_REG, 0x00003210); @@ -423,9 +420,6 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, { unsigned int channels = params_channels(params); - if (channels != 2) - return -EINVAL; - /* Map the channels for playback and capture */ regmap_write(i2s->regmap, SUN8I_I2S_TX_CHAN_MAP_REG, 0x76543210); regmap_write(i2s->regmap, SUN8I_I2S_RX_CHAN_MAP_REG, 0x76543210); @@ -458,6 +452,7 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); + unsigned int channels = params_channels(params); int ret, sr, wss; u32 width; @@ -490,7 +485,7 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, regmap_field_write(i2s->field_fmt_sr, sr); return sun4i_i2s_set_clk_rate(dai, params_rate(params), - 2, params_width(params)); + channels, params_width(params)); } static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, @@ -814,15 +809,15 @@ static struct snd_soc_dai_driver sun4i_i2s_dai = { .probe = sun4i_i2s_dai_probe, .capture = { .stream_name = "Capture", - .channels_min = 2, - .channels_max = 2, + .channels_min = 1, + .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_192000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .playback = { .stream_name = "Playback", - .channels_min = 2, - .channels_max = 2, + .channels_min = 1, + .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_192000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, |