ALSA: hda/ca0132 - Keep power on during processing DSP response

We need to keep power on while processing the DSP response via unsol
event.  Each snd_hda_codec_read() call does the power management, so
it should work normally, but still it's safer to keep the power up for
the whole function.

Fixes: a73d511c4867 ("ALSA: hda/ca0132: Add unsol handler for DSP and jack detection")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191213085111.22855-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index b7a1abb..c3d34ff 100644 (file)
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -7588,12 +7588,14 @@ static void ca0132_process_dsp_response(struct hda_codec *codec,
        struct ca0132_spec *spec = codec->spec;
 
        codec_dbg(codec, "ca0132_process_dsp_response\n");
+       snd_hda_power_up_pm(codec);
        if (spec->wait_scp) {
                if (dspio_get_response_data(codec) >= 0)
                        spec->wait_scp = 0;
        }
 
        dspio_clear_response_queue(codec);
+       snd_hda_power_down_pm(codec);
 }
 
 static void hp_callback(struct hda_codec *codec, struct hda_jack_callback *cb)