From: Takashi Iwai tiwai@suse.de
commit 377bc0cfabce0244632dada19060839ced4e6949 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- sound/pci/hda/patch_ca0132.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -4424,12 +4424,14 @@ static void ca0132_process_dsp_response( 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)