[alsa-devel] [PATCH v1 5/5] ALSA: fm801: restore TEA575x state on resume

Andy Shevchenko andriy.shevchenko at linux.intel.com
Mon Dec 21 18:09:56 CET 2015


The suspend / resume cycle resets the settings of the FM tuner. Restore
frequency settings on resume.

Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
---
 sound/pci/fm801.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index e3add48..bade9b9 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -1427,6 +1427,11 @@ static int snd_fm801_resume(struct device *dev)
 	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
 		fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);
 
+#ifdef CONFIG_SND_FM801_TEA575X_BOOL
+	if (!(chip->tea575x_tuner & TUNER_DISABLED))
+		snd_tea575x_set_freq(&chip->tea);
+#endif
+
 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 	return 0;
 }
-- 
2.6.4



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