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| author |   Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2017-05-17 08:48:20 +0900 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2017-05-17 07:24:39 +0200 |
| commit | b55f9fdcd3f0b3da7c9d4b6c67d75a1878653221 (patch) | |
| tree | 207f922b47ed7bbd0086f2bd42c1a9deec88585c /sound/core/pcm_drm_eld.c | |
| parent | ALSA: pcm: add const qualifier for read-only table for sampling rate (diff) | |
| download | wireguard-linux-b55f9fdcd3f0b3da7c9d4b6c67d75a1878653221.tar.xz wireguard-linux-b55f9fdcd3f0b3da7c9d4b6c67d75a1878653221.zip | |
ALSA: pcm: use helper function to refer parameter as read-only
ALSA pcm core has hw_param_interval_c() to pick up parameter with const
qualifier for safe programming.
This commit applies it to the cases.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/pcm_drm_eld.c')
| -rw-r--r-- | sound/core/pcm_drm_eld.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/core/pcm_drm_eld.c b/sound/core/pcm_drm_eld.c index e70379fb63d0..9881d087756f 100644 --- a/sound/core/pcm_drm_eld.c +++ b/sound/core/pcm_drm_eld.c @@ -29,13 +29,13 @@ static int eld_limit_rates(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { struct snd_interval *r = hw_param_interval(params, rule->var); - struct snd_interval *c; + const struct snd_interval *c; unsigned int rate_mask = 7, i; const u8 *sad, *eld = rule->private; sad = drm_eld_sad(eld); if (sad) { - c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + c = hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_CHANNELS); for (i = drm_eld_sad_count(eld); i > 0; i--, sad += 3) { unsigned max_channels = sad_max_channels(sad); @@ -57,7 +57,7 @@ static int eld_limit_channels(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { struct snd_interval *c = hw_param_interval(params, rule->var); - struct snd_interval *r; + const struct snd_interval *r; struct snd_interval t = { .min = 1, .max = 2, .integer = 1, }; unsigned int i; const u8 *sad, *eld = rule->private; @@ -67,7 +67,7 @@ static int eld_limit_channels(struct snd_pcm_hw_params *params, unsigned int rate_mask = 0; /* Convert the rate interval to a mask */ - r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + r = hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_RATE); for (i = 0; i < ARRAY_SIZE(eld_rates); i++) if (r->min <= eld_rates[i] && r->max >= eld_rates[i]) rate_mask |= BIT(i); |