[alsa-devel] [PATCH] ALSA: hda - Clean up jackpoll_ms option handling

[Takashi Iwai]

Currently the jackpoll_ms option value is passed indirectly by
referring to an array in chip->jackpoll_ms although each card needs to
see only the assigned value.  Also, the sanity check is done at each
time in get_jackpoll_interval() although basically jackpoll_ms option
is a read-only, hence we need to evaluate only once at probe time.

This patch is the code simplification about the above points: the jack
polling interval is directly set to chip->jackpoll_interval so that it
can be simply copied to each codec.

No functional change but only code reduction.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/pci/hda/hda_controller.c | 23 +----------------------
 sound/pci/hda/hda_controller.h |  2 +-
 sound/pci/hda/hda_intel.c      |  3 ++-
 3 files changed, 4 insertions(+), 24 deletions(-)

diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 53bdf76fcbba..fe2506672a72 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -1223,27 +1223,6 @@ void snd_hda_bus_reset(struct hda_bus *bus)
 	bus->in_reset = 0;
 }
 
-static int get_jackpoll_interval(struct azx *chip)
-{
-	int i;
-	unsigned int j;
-
-	if (!chip->jackpoll_ms)
-		return 0;
-
-	i = chip->jackpoll_ms[chip->dev_index];
-	if (i == 0)
-		return 0;
-	if (i < 50 || i > 60000)
-		j = 0;
-	else
-		j = msecs_to_jiffies(i);
-	if (j == 0)
-		dev_warn(chip->card->dev,
-			 "jackpoll_ms value out of range: %d\n", i);
-	return j;
-}
-
 /* HD-audio bus initialization */
 int azx_bus_init(struct azx *chip, const char *model,
 		 const struct hdac_io_ops *io_ops)
@@ -1326,7 +1305,7 @@ int azx_probe_codecs(struct azx *chip, unsigned int max_slots)
 			err = snd_hda_codec_new(&chip->bus, chip->card, c, &codec);
 			if (err < 0)
 				continue;
-			codec->jackpoll_interval = get_jackpoll_interval(chip);
+			codec->jackpoll_interval = chip->jackpoll_interval;
 			codec->beep_mode = chip->beep_mode;
 			codecs++;
 		}
diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h
index 3c9a2f81cfbf..33b99839753d 100644
--- a/sound/pci/hda/hda_controller.h
+++ b/sound/pci/hda/hda_controller.h
@@ -121,7 +121,7 @@ struct azx {
 	int capture_streams;
 	int capture_index_offset;
 	int num_streams;
-	const int *jackpoll_ms; /* per-card jack poll interval */
+	int jackpoll_interval; /* jack poll interval in jiffies */
 
 	/* Register interaction. */
 	const struct hda_controller_ops *ops;
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 0a3ce9c60f50..12647de19381 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1676,7 +1676,8 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
 	chip->driver_type = driver_caps & 0xff;
 	check_msi(chip);
 	chip->dev_index = dev;
-	chip->jackpoll_ms = jackpoll_ms;
+	if (jackpoll_ms[dev] >= 50 && jackpoll_ms[dev] <= 60000)
+		chip->jackpoll_interval = msecs_to_jiffies(jackpoll_ms[dev]);
 	INIT_LIST_HEAD(&chip->pcm_list);
 	INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
 	INIT_LIST_HEAD(&hda->list);
-- 
2.18.0