aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/hda/hda_intel.c
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2012-12-12 11:50:12 +0100
committerTakashi Iwai <tiwai@suse.de>2012-12-12 14:22:13 +0100
commit6eb827d23577a4efec2b10a9c4cc9ded268a1d1c (patch)
tree15da2e13f08a9f56215397ebea3cd60b7c1dfd6c /sound/pci/hda/hda_intel.c
parent63a077e27648b4043b1ca1b4e29f0c42d99616b6 (diff)
downloadlinux-6eb827d23577a4efec2b10a9c4cc9ded268a1d1c.tar.gz
ALSA: hda - Move runtime PM check to runtime_idle callback
The runtime_idle callback is the right place to check the suspend capability, but currently we do it wrongly in the runtime_suspend callback. This leads to a kernel error message like: pci_pm_runtime_suspend(): azx_runtime_suspend+0x0/0x50 [snd_hda_intel] returns -11 and the runtime PM core would even repeat the attempts. Reported-and-tested-by: Borislav Petkov <bp@alien8.de> Cc: <stable@vger.kernel.org> [v3.7] Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 1da8a5c9b9e..0f3d3db0df7 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2691,10 +2691,6 @@ static int azx_runtime_suspend(struct device *dev)
struct snd_card *card = dev_get_drvdata(dev);
struct azx *chip = card->private_data;
- if (!power_save_controller ||
- !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
- return -EAGAIN;
-
azx_stop_chip(chip);
azx_clear_irq_pending(chip);
return 0;
@@ -2709,12 +2705,25 @@ static int azx_runtime_resume(struct device *dev)
azx_init_chip(chip, 1);
return 0;
}
+
+static int azx_runtime_idle(struct device *dev)
+{
+ struct snd_card *card = dev_get_drvdata(dev);
+ struct azx *chip = card->private_data;
+
+ if (!power_save_controller ||
+ !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
+ return -EBUSY;
+
+ return 0;
+}
+
#endif /* CONFIG_PM_RUNTIME */
#ifdef CONFIG_PM
static const struct dev_pm_ops azx_pm = {
SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
- SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, NULL)
+ SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
};
#define AZX_PM_OPS &azx_pm