forked from luck/tmp_suning_uos_patched
ALSA: cs46xx: Fix suspend for all channels
snd_cs46xx_suspend() is missing snd_pcm_suspend_all calls for pcm_rear, pcm_center_lfe and pcm_iec958. There's also a copy/paste bug in snd_cs46xx_pcm_iec958(), overwriting pcm_rear in struct snd_cs46xx, leaving pcm_iec958 unused. Fix all this to allow all channels to survive suspend/resume. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -1864,7 +1864,7 @@ int snd_cs46xx_pcm_iec958(struct snd_cs46xx *chip, int device)
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/* global setup */
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pcm->info_flags = 0;
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strcpy(pcm->name, "CS46xx - IEC958");
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chip->pcm_rear = pcm;
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chip->pcm_iec958 = pcm;
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snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
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snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
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@ -3780,6 +3780,11 @@ static int snd_cs46xx_suspend(struct device *dev)
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snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
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chip->in_suspend = 1;
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snd_pcm_suspend_all(chip->pcm);
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#ifdef CONFIG_SND_CS46XX_NEW_DSP
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snd_pcm_suspend_all(chip->pcm_rear);
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snd_pcm_suspend_all(chip->pcm_center_lfe);
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snd_pcm_suspend_all(chip->pcm_iec958);
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#endif
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// chip->ac97_powerdown = snd_cs46xx_codec_read(chip, AC97_POWER_CONTROL);
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// chip->ac97_general_purpose = snd_cs46xx_codec_read(chip, BA0_AC97_GENERAL_PURPOSE);
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