linux-kernel - [PATCH] ASoC: tegra: update spdif tx_atn_lvl on hw

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1351607039-9027-1-git-send-email-digetx@gmail.com>
Date:	Tue, 30 Oct 2012 18:23:59 +0400
From:	Dmitry Osipenko <digetx@...il.com>
To:	swarren@...dia.com
Cc:	digetx@...il.com, tiwai@...e.de, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: tegra: update spdif tx_atn_lvl on hw_params()

This prevents playing sound with wrong speed.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
I'm using deep sleep on my tablet and faced with this bug when played sound via
hdmi after suspend. I know that there is no deep sleep support in upstream kernel,
but will be nice to see that bug fixed.

 sound/soc/tegra/tegra20_spdif.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index 3ebc867..24b46f1 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -114,6 +114,10 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream,
 		return ret;
 	}
 
+	regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_DATA_FIFO_CSR,
+			   TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_MASK,
+			   TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU4_WORD_FULL);
+
 	return 0;
 }
 
-- 
1.7.12

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/