Implements support for 192khz initialization for playback and capture.
Signed-off-by: William Pitcock <nenolod@xxxxxxxxxxxxxxxxxx>
---
sound/pci/sbxfi/sbxfi.c | 18 ++++++++++++++----
1 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/sound/pci/sbxfi/sbxfi.c b/sound/pci/sbxfi/sbxfi.c
index 4c65125..d64d462 100644
--- a/sound/pci/sbxfi/sbxfi.c
+++ b/sound/pci/sbxfi/sbxfi.c
@@ -514,7 +514,7 @@ static void sbxfi_write_amop(struct sbxfi *chip,
static void sbxfi_playback_start(struct sbxfi *chip, struct sbxfi_port *port)
{
unsigned int start, loop;
- unsigned int ctrl, ratec;
+ unsigned int ctrl, ratec = 0;
struct snd_pcm_runtime *runtime;
if (port->tlb_index < 0)
@@ -523,12 +523,19 @@ static void sbxfi_playback_start(struct sbxfi *chip, struct sbxfi_port *port)
start = port->tlb_index * SBXFI_PAGE_SIZE;
loop = start + frames_to_bytes(runtime, runtime->buffer_size);
+ /*
+ * ratec is the rate selection mode, 0x4c = 48000hz, 0x5c = 96000hz,
+ * 0x6c = 192000hz.
+ */
switch (runtime->rate) {
case 48000:
- ratec = 0x4c; /* XXX what meaning? */
+ ratec = 0x4c;
break;
case 96000:
- ratec = 0x5c; /* XXX what meaning? */
+ ratec = 0x5c;
+ break;
+ case 192000:
+ ratec = 0x6c;
break;
}
ctrl = ratec;
@@ -559,7 +566,7 @@ static void sbxfi_playback_stop(struct sbxfi *chip, struct sbxfi_port *port)
static void sbxfi_capture_start(struct sbxfi *chip, struct sbxfi_port *port)
{
unsigned int start, loop;
- unsigned int ctrl, ratec;
+ unsigned int ctrl, ratec = 0;
struct snd_pcm_runtime *runtime;
if (port->tlb_index < 0)
@@ -575,6 +582,9 @@ static void sbxfi_capture_start(struct sbxfi *chip, struct sbxfi_port *port)
case 96000:
ratec = 0x5d | SRCCTL_RUN_STATE;
break;
+ case 192000:
+ ratec = 0x6d | SRCCTL_RUN_STATE;
+ break;
}
ctrl = ratec;
--
1.5.5.4
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