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sound fixes for 4.20-rc1

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A few device-specific fixes: a fix for SPDIF on old Creative PCI
 board, and two additional fixes for the recent changes in FireWire
 audio stack.
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Merge tag 'sound-fix-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A few device-specific fixes: a fix for SPDIF on old Creative PCI
  board, and two additional fixes for the recent changes in FireWire
  audio stack"

* tag 'sound-fix-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size
  ALSA: ca0106: Disable IZD on SB0570 DAC to fix audio pops
  ALSA: dice: fix to wait for releases of all ALSA character devices
This commit is contained in:
Linus Torvalds 2018-11-02 11:02:52 -07:00
commit 54480aa7fa
3 changed files with 12 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
sound/firewire/amdtp-stream.c
View File

@ -146,53 +146,22 @@ static int apply_constraint_to_size(struct snd_pcm_hw_params *params,
struct snd_interval *s = hw_param_interval(params, rule->var);
const struct snd_interval *r =
hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval t = {
.min = s->min, .max = s->max, .integer = 1,
};
struct snd_interval t = {0};
unsigned int step = 0;
int i;
for (i = 0; i < CIP_SFC_COUNT; ++i) {
unsigned int rate = amdtp_rate_table[i];
unsigned int step = amdtp_syt_intervals[i];
if (!snd_interval_test(r, rate))
continue;
t.min = roundup(t.min, step);
t.max = rounddown(t.max, step);
if (snd_interval_test(r, amdtp_rate_table[i]))
step = max(step, amdtp_syt_intervals[i]);
}
if (snd_interval_checkempty(&t))
return -EINVAL;
t.min = roundup(s->min, step);
t.max = rounddown(s->max, step);
t.integer = 1;
return snd_interval_refine(s, &t);
}
static int apply_constraint_to_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_interval *r =
hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
const struct snd_interval *s = hw_param_interval_c(params, rule->deps[0]);
struct snd_interval t = {
.min = UINT_MAX, .max = 0, .integer = 1,
};
int i;
for (i = 0; i < CIP_SFC_COUNT; ++i) {
unsigned int step = amdtp_syt_intervals[i];
unsigned int rate = amdtp_rate_table[i];
if (s->min % step || s->max % step)
continue;
t.min = min(t.min, rate);
t.max = max(t.max, rate);
}
return snd_interval_refine(r, &t);
}
/**
* amdtp_stream_add_pcm_hw_constraints - add hw constraints for PCM substream
* @s: the AMDTP stream, which must be initialized.
@ -250,24 +219,16 @@ int amdtp_stream_add_pcm_hw_constraints(struct amdtp_stream *s,
*/
err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
apply_constraint_to_size, NULL,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
SNDRV_PCM_HW_PARAM_RATE, -1);
if (err < 0)
goto end;
err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
apply_constraint_to_rate, NULL,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
if (err < 0)
goto end;
err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
apply_constraint_to_size, NULL,
SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
SNDRV_PCM_HW_PARAM_RATE, -1);
if (err < 0)
goto end;
err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
apply_constraint_to_rate, NULL,
SNDRV_PCM_HW_PARAM_BUFFER_SIZE, -1);
if (err < 0)
goto end;
end:
return err;
}

4
sound/firewire/dice/dice.c
View File

@ -240,8 +240,8 @@ static void dice_remove(struct fw_unit *unit)
cancel_delayed_work_sync(&dice->dwork);
if (dice->registered) {
/* No need to wait for releasing card object in this context. */
snd_card_free_when_closed(dice->card);
// Block till all of ALSA character devices are released.
snd_card_free(dice->card);
}
mutex_destroy(&dice->mutex);

2
sound/pci/ca0106/ca0106.h
View File

@ -582,7 +582,7 @@
#define SPI_PL_BIT_R_R (2<<7) /* right channel = right */
#define SPI_PL_BIT_R_C (3<<7) /* right channel = (L+R)/2 */
#define SPI_IZD_REG 2
#define SPI_IZD_BIT (1<<4) /* infinite zero detect */
#define SPI_IZD_BIT (0<<4) /* infinite zero detect */
#define SPI_FMT_REG 3
#define SPI_FMT_BIT_RJ (0<<0) /* right justified mode */