From: Jianqun <jay.xu@rock-chips.com>
To: heiko@sntech.de, lgirdwood@gmail.com, broonie@kernel.org,
perex@perex.cz, tiwai@suse.de,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
alsa-devel@alsa-project.org
Cc: huangtao@rock-chips.com, cf@rock-chips.com,
Jianqun <jay.xu@rock-chips.com>
Subject: [PATCH 5/5] ASoC: rockchip-i2s: enable "hclk" for rockchip I2S controller
Date: Sat, 13 Sep 2014 08:43:13 +0800 [thread overview]
Message-ID: <1410568993-21874-1-git-send-email-jay.xu@rock-chips.com> (raw)
In-Reply-To: <1410568723-21559-1-git-send-email-jay.xu@rock-chips.com>
As "hclk" is used for rockchip I2S controller, driver must to enable
it in probe.
Tested on RK3288 with max98090.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
---
sound/soc/rockchip/rockchip_i2s.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 6595383..033487c 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -423,6 +423,11 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Can't retrieve i2s bus clock\n");
return PTR_ERR(i2s->hclk);
}
+ ret = clk_prepare_enable(i2s->hclk);
+ if (ret) {
+ dev_err(i2s->dev, "hclock enable failed %d\n", ret);
+ return ret;
+ }
i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk");
if (IS_ERR(i2s->mclk)) {
--
1.9.1
next prev parent reply other threads:[~2014-09-13 0:43 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-13 0:38 [PATCH 0/5] ASoC: rockchip-i2s: patches for rockchip i2s driver Jianqun
2014-09-13 0:40 ` [PATCH 1/5] ASoC: rockchip-i2s: fix rockchip i2s defination more reasonable Jianqun
2014-09-13 16:38 ` Mark Brown
2014-09-13 0:41 ` [PATCH 2/5] ASoC: rockchip-i2s: fix master mode set bit error Jianqun
2014-09-13 16:35 ` Mark Brown
2014-09-14 2:06 ` Jianqun
2014-09-13 0:41 ` [PATCH 3/5] ASoC: rockchip-i2s: add dma data to snd_soc_dai Jianqun
2014-09-13 16:38 ` Mark Brown
2014-09-13 0:42 ` [PATCH 4/5] ASoC: rockchip-i2s: fix registers' property of rockchip i2s controller Jianqun
2014-09-13 16:36 ` Mark Brown
2014-09-14 2:20 ` Jianqun
2014-09-13 20:57 ` Sergei Shtylyov
2014-09-14 2:29 ` Jianqun
2014-09-14 18:53 ` Sergei Shtylyov
2014-09-13 0:43 ` Jianqun [this message]
2014-09-13 16:36 ` [PATCH 5/5] ASoC: rockchip-i2s: enable "hclk" for rockchip I2S controller Mark Brown
2014-09-14 2:24 ` Jianqun
2014-09-13 16:37 ` Mark Brown
2014-09-14 2:27 ` Jianqun
2014-09-15 16:54 ` Mark Brown
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