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ASoC: intel: Don't set unused struct snd_pcm_hardware fields

The ASoC core assumes that the PCM component of the ASoC card transparently
moves data around and does not impose any restrictions on the memory layout or
the transfer speed. It ignores all fields from the snd_pcm_hardware struct for
the PCM driver that are related to this. Setting these fields in the PCM driver
might suggest otherwise though, so rather not set them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
isee-imx_3.14.28.y
Lars-Peter Clausen 7 years ago
committed by Mark Brown
parent
commit
c098284a4b
2 changed files with 0 additions and 14 deletions
  1. +0
    -10
      sound/soc/intel/sst_platform.c
  2. +0
    -4
      sound/soc/intel/sst_platform.h

+ 0
- 10
sound/soc/intel/sst_platform.c View File

@ -89,16 +89,6 @@ static struct snd_pcm_hardware sst_platform_pcm_hw = {
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_SYNC_START),
.formats = (SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_U16 |
SNDRV_PCM_FMTBIT_S24 | SNDRV_PCM_FMTBIT_U24 |
SNDRV_PCM_FMTBIT_S32 | SNDRV_PCM_FMTBIT_U32),
.rates = (SNDRV_PCM_RATE_8000|
SNDRV_PCM_RATE_44100 |
SNDRV_PCM_RATE_48000),
.rate_min = SST_MIN_RATE,
.rate_max = SST_MAX_RATE,
.channels_min = SST_MIN_CHANNEL,
.channels_max = SST_MAX_CHANNEL,
.buffer_bytes_max = SST_MAX_BUFFER,
.period_bytes_min = SST_MIN_PERIOD_BYTES,
.period_bytes_max = SST_MAX_PERIOD_BYTES,


+ 0
- 4
sound/soc/intel/sst_platform.h View File

@ -33,10 +33,6 @@
#define SST_STEREO 2
#define SST_MAX_CAP 5
#define SST_MIN_RATE 8000
#define SST_MAX_RATE 48000
#define SST_MIN_CHANNEL 1
#define SST_MAX_CHANNEL 5
#define SST_MAX_BUFFER (800*1024)
#define SST_MIN_BUFFER (800*1024)
#define SST_MIN_PERIOD_BYTES 32


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