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ALSA: emu10k1: don't update firmware during suspend/resume

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Add a flag to suppress the update in emu1010_firmware_thread() during
suspend/resume.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-11-22 17:18:49 +01:00
parent b209c4dfcd
commit 4f86f120d9
3 changed files with 7 additions and 0 deletions
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1
include/sound/emu10k1.h
View File

@ -1796,6 +1796,7 @@ struct snd_emu10k1 {
unsigned int *saved_icode;
unsigned int *p16v_saved;
unsigned int saved_a_iocfg, saved_hcfg;
bool suspend;
#endif
};

4
sound/pci/emu10k1/emu10k1.c
View File

@ -215,6 +215,8 @@ static int snd_emu10k1_suspend(struct device *dev)
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
emu->suspend = 1;
snd_pcm_suspend_all(emu->pcm);
snd_pcm_suspend_all(emu->pcm_mic);
snd_pcm_suspend_all(emu->pcm_efx);
@ -260,6 +262,8 @@ static int snd_emu10k1_resume(struct device *dev)
if (emu->card_capabilities->ca0151_chip)
snd_p16v_resume(emu);
emu->suspend = 0;
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}

2
sound/pci/emu10k1/emu10k1_main.c
View File

@ -714,6 +714,8 @@ static int emu1010_firmware_thread(void *data)
msleep_interruptible(1000);
if (kthread_should_stop())
break;
if (emu->suspend)
continue;
snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &tmp); /* IRQ Status */
snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg); /* OPTIONS: Which cards are attached to the EMU */
if (reg & EMU_HANA_OPTION_DOCK_OFFLINE) {