From: Sebastien Alaiwan Date: Fri, 5 Feb 2010 07:58:20 +0000 (+0100) Subject: ALSA: ice1712: fix: lock samplerate when samplerate locking is enabled X-Git-Tag: v2.6.34-rc1~3^2~5^2~13^2~6 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=350a514787a4516746f738f69bff6aa0d4ac70e9 ALSA: ice1712: fix: lock samplerate when samplerate locking is enabled I found that the sampling rate locking setting of the ice1712 sound driver was only half-respected : when the driver was locked to, let's say, 44100Hz, and a usermode app was requesting 48000Hz playback, the request was succesful although the soundcard would continue to run at 44100Hz. Here's a patch that will make those requests to fail. Signed-off-by: Sebastien Alaiwan Signed-off-by: Takashi Iwai --- diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index c7cff6f..fb61943 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -1180,6 +1180,10 @@ static int snd_ice1712_playback_pro_open(struct snd_pcm_substream *substream) snd_pcm_set_sync(substream); snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); + if (is_pro_rate_locked(ice)) { + runtime->hw.rate_min = PRO_RATE_DEFAULT; + runtime->hw.rate_max = PRO_RATE_DEFAULT; + } if (ice->spdif.ops.open) ice->spdif.ops.open(ice, substream); @@ -1197,6 +1201,11 @@ static int snd_ice1712_capture_pro_open(struct snd_pcm_substream *substream) snd_pcm_set_sync(substream); snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); + if (is_pro_rate_locked(ice)) { + runtime->hw.rate_min = PRO_RATE_DEFAULT; + runtime->hw.rate_max = PRO_RATE_DEFAULT; + } + return 0; }