target/linux/bcm27xx/patches-5.10/950-0368-bcm2835-pcm-Fix-up-multichannel-pcm-audio.patch

   1 From 658f2c37e37817ed680b85a5aa97a4661d0306a6 Mon Sep 17 00:00:00 2001
   2 From: Dom Cobley <popcornmix@gmail.com>
   3 Date: Tue, 27 Oct 2020 12:24:14 +0000
   4 Subject: [PATCH] bcm2835-pcm: Fix up multichannel pcm audio
   5
   6 Fixes: a9c1660ff5f02d048c5f31abf1fd1108ccf9ef87
   7 Signed-off-by: Dom Cobley <popcornmix@gmail.com>
   8 ---
   9  .../vc04_services/bcm2835-audio/bcm2835-pcm.c | 21 +++++++++----------
  10  1 file changed, 10 insertions(+), 11 deletions(-)
  11
  12 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
  13 +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
  14 @@ -14,14 +14,14 @@ static const struct snd_pcm_hardware snd
  15                  SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
  16                  SNDRV_PCM_INFO_SYNC_APPLPTR),
  17         .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
  18 -       .rates = SNDRV_PCM_RATE_CONTINUOUS |  SNDRV_PCM_RATE_8000_192000,
  19 +       .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
  20         .rate_min = 8000,
  21         .rate_max = 192000,
  22         .channels_min = 1,
  23 -       .channels_max = 2,
  24 -       .buffer_bytes_max = 128 * 1024,
  25 +       .channels_max = 8,
  26 +       .buffer_bytes_max = 512 * 1024,
  27         .period_bytes_min = 1 * 1024,
  28 -       .period_bytes_max = 128 * 1024,
  29 +       .period_bytes_max = 512 * 1024,
  30         .periods_min = 1,
  31         .periods_max = 128,
  32  };
  33 @@ -31,16 +31,15 @@ static const struct snd_pcm_hardware snd
  34                  SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
  35                  SNDRV_PCM_INFO_SYNC_APPLPTR),
  36         .formats = SNDRV_PCM_FMTBIT_S16_LE,
  37 -       .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
  38 -       SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
  39 -       SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
  40 +       .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_44100 |
  41 +       SNDRV_PCM_RATE_48000,
  42         .rate_min = 44100,
  43 -       .rate_max = 192000,
  44 +       .rate_max = 48000,
  45         .channels_min = 2,
  46 -       .channels_max = 8,
  47 -       .buffer_bytes_max = 512 * 1024,
  48 +       .channels_max = 2,
  49 +       .buffer_bytes_max = 128 * 1024,
  50         .period_bytes_min = 1 * 1024,
  51 -       .period_bytes_max = 512 * 1024,
  52 +       .period_bytes_max = 128 * 1024,
  53         .periods_min = 1,
  54         .periods_max = 128,
  55  };