mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 12:43:55 +08:00
ASoC: arizona: Ensure we clock two channels for I2S mode
I2S requires stereo clocking even for mono data. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
parent
3f341f741d
commit
76bf969e6f
@ -818,7 +818,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
|
|||||||
struct arizona *arizona = priv->arizona;
|
struct arizona *arizona = priv->arizona;
|
||||||
int base = dai->driver->base;
|
int base = dai->driver->base;
|
||||||
const int *rates;
|
const int *rates;
|
||||||
int i, ret;
|
int i, ret, val;
|
||||||
int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1];
|
int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1];
|
||||||
int bclk, lrclk, wl, frame, bclk_target;
|
int bclk, lrclk, wl, frame, bclk_target;
|
||||||
|
|
||||||
@ -834,6 +834,13 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
|
|||||||
bclk_target *= chan_limit;
|
bclk_target *= chan_limit;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* Force stereo for I2S mode */
|
||||||
|
val = snd_soc_read(codec, base + ARIZONA_AIF_FORMAT);
|
||||||
|
if (params_channels(params) == 1 && (val & ARIZONA_AIF1_FMT_MASK)) {
|
||||||
|
arizona_aif_dbg(dai, "Forcing stereo mode\n");
|
||||||
|
bclk_target *= 2;
|
||||||
|
}
|
||||||
|
|
||||||
for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) {
|
for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) {
|
||||||
if (rates[i] >= bclk_target &&
|
if (rates[i] >= bclk_target &&
|
||||||
rates[i] % params_rate(params) == 0) {
|
rates[i] % params_rate(params) == 0) {
|
||||||
|
Loading…
Reference in New Issue
Block a user