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Subject[PATCH 14/23] sst: return correct output/input device id
Date
From: Lu Guanqun <guanqun.lu@intel.com>

Without this patch, the change of output/input device can't be reflected
correctly. The mismatch reflects insane design, and should be fixed when
switching to the ASoC framework.

Signed-off-by: Lu Guanqun <guanqun.lu@intel.com>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
---

drivers/staging/intel_sst/intelmid_ctrl.c | 21 ++++++++++++++++++++-
1 files changed, 20 insertions(+), 1 deletions(-)


diff --git a/drivers/staging/intel_sst/intelmid_ctrl.c b/drivers/staging/intel_sst/intelmid_ctrl.c
index 2c3ee94..af9e112 100644
--- a/drivers/staging/intel_sst/intelmid_ctrl.c
+++ b/drivers/staging/intel_sst/intelmid_ctrl.c
@@ -504,8 +504,8 @@ static int snd_intelmad_device_get(struct snd_kcontrol *kcontrol,
WARN_ON(!kcontrol);

intelmaddata = kcontrol->private_data;
+ scard_ops = intelmaddata->sstdrv_ops->scard_ops;
if (intelmaddata->cpu_id == CPU_CHIP_PENWELL) {
- scard_ops = intelmaddata->sstdrv_ops->scard_ops;
if (kcontrol->id.numid == OUTPUT_SEL)
uval->value.enumerated.item[0] =
scard_ops->output_dev_id;
@@ -517,6 +517,25 @@ static int snd_intelmad_device_get(struct snd_kcontrol *kcontrol,
scard_ops->lineout_dev_id;
else
return -EINVAL;
+ } else if (intelmaddata->cpu_id == CPU_CHIP_LINCROFT) {
+ if (kcontrol->id.numid == OUTPUT_SEL)
+ /* There is a mismatch here.
+ * ALSA expects 1 for internal speaker.
+ * But internally, we may give 2 for internal speaker.
+ */
+ if (scard_ops->output_dev_id == MONO_EARPIECE ||
+ scard_ops->output_dev_id == INTERNAL_SPKR)
+ uval->value.enumerated.item[0] = MONO_EARPIECE;
+ else if (scard_ops->output_dev_id == STEREO_HEADPHONE)
+ uval->value.enumerated.item[0] =
+ STEREO_HEADPHONE;
+ else
+ return -EINVAL;
+ else if (kcontrol->id.numid == INPUT_SEL)
+ uval->value.enumerated.item[0] =
+ scard_ops->input_dev_id;
+ else
+ return -EINVAL;
} else
uval->value.enumerated.item[0] = kcontrol->private_value;
return 0;


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