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From: Andrew Gabbasov <andrew_gabbasov@mentor.com>
To: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	Timo Wischer <twischer@de.adit-jv.com>,
	Andrew Gabbasov <andrew_gabbasov@mentor.com>
Subject: [PATCH v3 1/7] ALSA: aloop: Describe units of variables
Date: Mon, 11 Nov 2019 05:08:40 -0600	[thread overview]
Message-ID: <20191111110846.18223-2-andrew_gabbasov@mentor.com> (raw)
In-Reply-To: <20191111110846.18223-1-andrew_gabbasov@mentor.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>
Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.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 9ccdad89c288..1f5982e09025 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -102,8 +102,10 @@ 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;
-- 
2.21.0


  reply	other threads:[~2019-11-11 11:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-11 11:08 [PATCH v3 0/7] ALSA: aloop: Support sound timer as clock source instead of jiffies Andrew Gabbasov
2019-11-11 11:08 ` Andrew Gabbasov [this message]
2019-11-11 11:08   ` [PATCH v3 2/7] ALSA: aloop: Support return of error code for timer start and stop Andrew Gabbasov
2019-11-11 11:08     ` [PATCH v3 3/7] ALSA: aloop: Use callback functions for timer specific implementations Andrew Gabbasov
2019-11-11 11:08       ` [PATCH v3 4/7] ALSA: aloop: Rename all jiffies timer specific functions Andrew Gabbasov
2019-11-11 11:08         ` [PATCH v3 5/7] ALSA: aloop: Move CABLE_VALID_BOTH to the top of file Andrew Gabbasov
2019-11-11 11:08           ` [PATCH v3 6/7] ALSA: aloop: Support selection of snd_timer instead of jiffies Andrew Gabbasov
2019-11-11 11:08             ` [PATCH v3 7/7] ALSA: aloop: Support runtime change of snd_timer via info interface Andrew Gabbasov
2019-11-14 17:10 ` [PATCH v3 0/7] ALSA: aloop: Support sound timer as clock source instead of jiffies Takashi Iwai
2019-11-20 12:15   ` Andrew Gabbasov

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