On Thu, Dec 08, 2016 at 01:41:16PM +0530, jeeja.kp@intel.com wrote:
From: Jeeja KP jeeja.kp@intel.com
Hi Takashi,
I have fixed the comments on the V2 patch. Can you please ACK this patch of this series if there no concern, as this on on sound/hda/. I think Mark is waiting on that..
Check stream decoupled register value with requested value before decoupling/coupling the stream.
Signed-off-by: Jeeja KP jeeja.kp@intel.com
sound/hda/ext/hdac_ext_stream.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c index 3be051a..c96d7a7 100644 --- a/sound/hda/ext/hdac_ext_stream.c +++ b/sound/hda/ext/hdac_ext_stream.c @@ -128,14 +128,17 @@ void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *ebus, { struct hdac_stream *hstream = &stream->hstream; struct hdac_bus *bus = &ebus->bus;
u32 val;
int mask = AZX_PPCTL_PROCEN(hstream->index);
spin_lock_irq(&bus->reg_lock);
- if (decouple)
snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, 0,AZX_PPCTL_PROCEN(hstream->index));- else
snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL,AZX_PPCTL_PROCEN(hstream->index), 0);
- val = readw(bus->ppcap + AZX_REG_PP_PPCTL) & mask;
- if (decouple && !val)
snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, mask, mask);- else if (!decouple && val)
snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, mask, 0);- stream->decoupled = decouple; spin_unlock_irq(&bus->reg_lock);
}
2.5.0
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