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ALSA: emu10k1: don't update firmware during suspend/resume
Add a flag to suppress the update in emu1010_firmware_thread() during suspend/resume. Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -1796,6 +1796,7 @@ struct snd_emu10k1 {
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unsigned int *saved_icode;
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unsigned int *p16v_saved;
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unsigned int saved_a_iocfg, saved_hcfg;
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bool suspend;
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#endif
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};
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@ -215,6 +215,8 @@ static int snd_emu10k1_suspend(struct device *dev)
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snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
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emu->suspend = 1;
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snd_pcm_suspend_all(emu->pcm);
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snd_pcm_suspend_all(emu->pcm_mic);
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snd_pcm_suspend_all(emu->pcm_efx);
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@ -260,6 +262,8 @@ static int snd_emu10k1_resume(struct device *dev)
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if (emu->card_capabilities->ca0151_chip)
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snd_p16v_resume(emu);
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emu->suspend = 0;
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snd_power_change_state(card, SNDRV_CTL_POWER_D0);
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return 0;
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}
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@ -714,6 +714,8 @@ static int emu1010_firmware_thread(void *data)
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msleep_interruptible(1000);
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if (kthread_should_stop())
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break;
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if (emu->suspend)
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continue;
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snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &tmp); /* IRQ Status */
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snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, ®); /* OPTIONS: Which cards are attached to the EMU */
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if (reg & EMU_HANA_OPTION_DOCK_OFFLINE) {
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