staging: bcm2835-pcm: Allow up to 8 channels and 192kHz data rate

The firmware driver can support this, so allow it to be selected
Increase the buffer sizes to handle the higher data rates.

Reviewed-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1617373688-8715-1-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
index 542aff1..f2ef1d6 100644 (file)
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
@@ -14,14 +14,14 @@ static const struct snd_pcm_hardware snd_bcm2835_playback_hw = {
                 SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
                 SNDRV_PCM_INFO_SYNC_APPLPTR | SNDRV_PCM_INFO_BATCH),
        .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
-       .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
+       .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
        .rate_min = 8000,
-       .rate_max = 48000,
+       .rate_max = 192000,
        .channels_min = 1,
-       .channels_max = 2,
-       .buffer_bytes_max = 128 * 1024,
+       .channels_max = 8,
+       .buffer_bytes_max = 512 * 1024,
        .period_bytes_min = 1 * 1024,
-       .period_bytes_max = 128 * 1024,
+       .period_bytes_max = 512 * 1024,
        .periods_min = 1,
        .periods_max = 128,
 };