[PATCH 15/27] ALSA: hda - Use timecounter_initialize interface

From: Sagar Arun Kamble
Date: Fri Dec 15 2017 - 02:40:39 EST


With new interface timecounter_initialize we can initialize timecounter
fields and underlying cyclecounter together. Update azx timecounter
init with this new function.

Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
Cc: Richard Cochran <richardcochran@xxxxxxxxx>
Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vinod Koul <vinod.koul@xxxxxxxxx>
Cc: alsa-devel@xxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
sound/hda/hdac_stream.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index 9426c1a..ad91dde 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -477,12 +477,8 @@ static void azx_timecounter_init(struct hdac_stream *azx_dev,
bool force, u64 last)
{
struct timecounter *tc = &azx_dev->tc;
- struct cyclecounter *cc = &azx_dev->tc.cc;
u64 nsec;

- cc->read = azx_cc_read;
- cc->mask = CLOCKSOURCE_MASK(32);
-
/*
* Converting from 24 MHz to ns means applying a 125/3 factor.
* To avoid any saturation issues in intermediate operations,
@@ -493,11 +489,13 @@ static void azx_timecounter_init(struct hdac_stream *azx_dev,
* overflows occur after about 4 hours or less, not a option.
*/

- cc->mult = 125; /* saturation after 195 years */
- cc->shift = 0;
-
nsec = 0; /* audio time is elapsed time since trigger */
- timecounter_init(tc, nsec);
+ timecounter_initialize(tc,
+ azx_cc_read,
+ CLOCKSOURCE_MASK(32),
+ 125, /* saturation after 195 years */
+ 0,
+ nsec);
if (force) {
/*
* force timecounter to use predefined value,
--
1.9.1