From: <twischer@de.adit-jv.com>
To: <patch@alsa-project.org>, <broonie@kernel.org>, <perex@perex.cz>,
<tiwai@suse.com>
Cc: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
Timo Wischer <twischer@de.adit-jv.com>
Subject: [PATCH 01/10] ALSA: aloop: Describe units of variables
Date: Mon, 25 Mar 2019 17:00:35 +0100 [thread overview]
Message-ID: <1553529644-5654-2-git-send-email-twischer@de.adit-jv.com> (raw)
In-Reply-To: <1553529644-5654-1-git-send-email-twischer@de.adit-jv.com>
From: Timo Wischer <twischer@de.adit-jv.com>
Describe the unit of the variables used to calculate the hw pointer
depending on jiffies ticks.
Signed-off-by: Timo Wischer <twischer@de.adit-jv.com>
---
sound/drivers/aloop.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index 8c3fbe1..70145e6 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -116,8 +116,10 @@ struct loopback_pcm {
/* flags */
unsigned int period_update_pending :1;
/* timer stuff */
- unsigned int irq_pos; /* fractional IRQ position */
- unsigned int period_size_frac;
+ unsigned int irq_pos; /* fractional IRQ position in jiffies
+ * ticks
+ */
+ unsigned int period_size_frac; /* period size in jiffies ticks */
unsigned int last_drift;
unsigned long last_jiffies;
struct timer_list timer;
--
2.7.4
next prev parent reply other threads:[~2019-03-25 16:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-25 16:00 [PATCH 00/10] ALSA: aloop: Support selection of snd_timer twischer
2019-03-25 16:00 ` twischer [this message]
2019-03-25 16:00 ` [PATCH 02/10] ALSA: aloop: loopback_timer_start: Support return of error code twischer
2019-03-25 16:00 ` [PATCH 03/10] ALSA: aloop: loopback_timer_stop: " twischer
2019-03-25 16:00 ` [PATCH 04/10] ALSA: aloop: Use always spin_lock_irqsave() for cable->lock twischer
2019-03-25 16:07 ` Takashi Iwai
[not found] ` <237e2d2d-9a8f-a273-4c40-db2c670c6858@de.adit-jv.com>
2019-03-25 16:58 ` Takashi Iwai
2019-03-26 8:12 ` Timo Wischer
2019-03-26 7:49 ` [PATCH 05/10] ALSA: aloop: Use callback functions for timer specific implementations twischer
2019-03-26 7:49 ` [PATCH 06/10] ALSA: aloop: Rename all jiffies timer specific functions twischer
2019-03-26 7:49 ` [PATCH 07/10] ALSA: aloop: Move CABLE_VALID_BOTH to the top of file twischer
2019-03-26 7:49 ` [PATCH 08/10] ALSA: aloop: Support selection of snd_timer instead of jiffies twischer
2019-03-26 7:49 ` [PATCH 09/10] ALSA: pcm: Add snd_pcm_ops for snd_pcm_link() twischer
2019-03-26 8:35 ` Takashi Iwai
[not found] ` <3ad5c313-ba2c-b541-8930-3f2515dfca72@de.adit-jv.com>
2019-03-26 14:23 ` Takashi Iwai
2019-03-26 15:16 ` Timo Wischer
2019-03-26 16:00 ` Takashi Iwai
2019-03-27 8:34 ` Timo Wischer
2019-03-27 9:11 ` Takashi Iwai
2019-03-27 9:26 ` Timo Wischer
2019-03-27 9:38 ` Takashi Iwai
2019-04-04 10:18 ` Timo Wischer
2019-04-05 15:21 ` Takashi Iwai
2019-03-26 7:52 ` [PATCH 10/10] ALSA: aloop: Use timer of linked card if chosen twischer
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