From: Kai Vehmanen kai.vehmanen@linux.intel.com
The misc clock gating (MISCBDCGE) is disabled for controller reset and reenabled once reset is complete.
Fix the case when error happens during reset, and clock gating is left disabled. The clock gating should be reenabled also in this case.
Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Signed-off-by: Kai Vehmanen kai.vehmanen@linux.intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/sof/intel/hda-ctrl.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sof/intel/hda-ctrl.c b/sound/soc/sof/intel/hda-ctrl.c index 871b71a15a63..93be6fc51ccd 100644 --- a/sound/soc/sof/intel/hda-ctrl.c +++ b/sound/soc/sof/intel/hda-ctrl.c @@ -183,7 +183,7 @@ int hda_dsp_ctrl_init_chip(struct snd_sof_dev *sdev, bool full_reset) ret = hda_dsp_ctrl_link_reset(sdev, true); if (ret < 0) { dev_err(sdev->dev, "error: failed to reset HDA controller\n"); - return ret; + goto err; }
usleep_range(500, 1000); @@ -192,7 +192,7 @@ int hda_dsp_ctrl_init_chip(struct snd_sof_dev *sdev, bool full_reset) ret = hda_dsp_ctrl_link_reset(sdev, false); if (ret < 0) { dev_err(sdev->dev, "error: failed to exit HDA controller reset\n"); - return ret; + goto err; }
usleep_range(1000, 1200); @@ -202,7 +202,8 @@ int hda_dsp_ctrl_init_chip(struct snd_sof_dev *sdev, bool full_reset) /* check to see if controller is ready */ if (!snd_hdac_chip_readb(bus, GCTL)) { dev_dbg(bus->dev, "controller not ready!\n"); - return -EBUSY; + ret = -EBUSY; + goto err; }
/* Accept unsolicited responses */ @@ -268,6 +269,7 @@ int hda_dsp_ctrl_init_chip(struct snd_sof_dev *sdev, bool full_reset)
bus->chip_init = true;
+err: hda_dsp_ctrl_misc_clock_gating(sdev, true);
return ret;