max98357a is speaker codec configured in 48000/2/S16_LE format
regardless of front end format, so force it to be so.
Reviewed-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxxxxxxxx>
---
sound/soc/intel/avs/boards/max98357a.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/sound/soc/intel/avs/boards/max98357a.c b/sound/soc/intel/avs/boards/max98357a.c
index 921f42caf7e0..183123d08c5a 100644
--- a/sound/soc/intel/avs/boards/max98357a.c
+++ b/sound/soc/intel/avs/boards/max98357a.c
@@ -8,6 +8,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
@@ -24,6 +25,26 @@ static const struct snd_soc_dapm_route card_base_routes[] = {
{ "Spk", NULL, "Speaker" },
};
+static int
+avs_max98357a_be_fixup(struct snd_soc_pcm_runtime *runrime, struct snd_pcm_hw_params *params)
+{
+ struct snd_interval *rate, *channels;
+ struct snd_mask *fmt;
+
+ rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+ channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+
+ /* The ADSP will convert the FE rate to 48k, stereo */
+ rate->min = rate->max = 48000;
+ channels->min = channels->max = 2;
+
+ /* set SSP0 to 16 bit */
+ snd_mask_none(fmt);
+ snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
+ return 0;
+}
+
static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
struct snd_soc_dai_link **dai_link)
{
@@ -55,6 +76,7 @@ static int avs_create_dai_link(struct device *dev, const char *platform_name, in
dl->num_platforms = 1;
dl->id = 0;
dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
+ dl->be_hw_params_fixup = avs_max98357a_be_fixup;
dl->nonatomic = 1;
dl->no_pcm = 1;
dl->dpcm_playback = 1;
--
2.34.1
