diff options
| author | Koji Matsuoka <koji.matsuoka.xm@renesas.com> | 2019-01-11 15:43:44 +0000 |
|---|---|---|
| committer | Ryo Kataoka <ryo.kataoka.wt@renesas.com> | 2019-03-22 20:50:31 +0900 |
| commit | 0786087e9766327cc9f741013a3f54de87783bb3 (patch) | |
| tree | ff8ed4c9eff8b2806636c5a978802ccad922b4d2 | |
| parent | 71bf321b544c72ee6582839f8b7bd36acce577e5 (diff) | |
| download | renesas-bsp-0786087e9766327cc9f741013a3f54de87783bb3.tar.gz | |
media: i2c: adv7482: Fix wait procedure usleep_range from msleep
By Documentation/timers/timers-howto.txt, when waiting 20ms from 10us,
it is correct to use usleep_range. this patch corrects it.
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
(cherry picked from horms/renesas-bsp commit af0cdba377bc
("media: i2c: adv7482: Fix wait procedure usleep_range from msleep"))
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Link: https://patchwork.kernel.org/patch/10758319/
[koji.matsuoka.xm: the part of the patch for kernel v4.14.75
was rebased and imported]
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
| -rw-r--r-- | drivers/media/i2c/adv748x/adv748x-core.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/i2c/adv748x/adv748x-core.c b/drivers/media/i2c/adv748x/adv748x-core.c index a57ccc47c93d2..947b23448e102 100644 --- a/drivers/media/i2c/adv748x/adv748x-core.c +++ b/drivers/media/i2c/adv748x/adv748x-core.c @@ -1,7 +1,7 @@ /* * Driver for Analog Devices ADV748X HDMI receiver with AFE * - * Copyright (C) 2017 Renesas Electronics Corp. + * Copyright (C) 2017-2019 Renesas Electronics Corp. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -273,7 +273,8 @@ static int adv748x_write_regs(struct adv748x_state *state, while (regs->page != ADV748X_PAGE_EOR) { if (regs->page == ADV748X_PAGE_WAIT) { - msleep(regs->value); + usleep_range(regs->value * 1000, + (regs->value * 1000) + 1000); } else { ret = adv748x_write(state, regs->page, regs->reg, regs->value); |