aboutsummaryrefslogtreecommitdiff
path: root/sound
diff options
context:
space:
mode:
authorStephen Warren <swarren@nvidia.com>2012-03-30 17:07:17 -0600
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-02 23:02:11 +0100
commitcd1506736f3a77429f619ede817a119a7ff5f7e5 (patch)
treeaea1a4ac264c21d87b6585ced25b83a0f573f5a5 /sound
parentf0cdcf3ab6c62b3f774a2af15dfa01988e7a9b02 (diff)
downloadlinux-cd1506736f3a77429f619ede817a119a7ff5f7e5.tar.gz
ASoC: tegra: ensure clocks are enabled when touching registers
Debugfs files could be accessed any time, so explicitly enable clocks when reading registers to generate debugfs file content. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/tegra/tegra_i2s.c4
-rw-r--r--sound/soc/tegra/tegra_spdif.c4
2 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra_i2s.c b/sound/soc/tegra/tegra_i2s.c
index 33509de5254..2d98c925c0a 100644
--- a/sound/soc/tegra/tegra_i2s.c
+++ b/sound/soc/tegra/tegra_i2s.c
@@ -79,11 +79,15 @@ static int tegra_i2s_show(struct seq_file *s, void *unused)
struct tegra_i2s *i2s = s->private;
int i;
+ clk_enable(i2s->clk_i2s);
+
for (i = 0; i < ARRAY_SIZE(regs); i++) {
u32 val = tegra_i2s_read(i2s, regs[i].offset);
seq_printf(s, "%s = %08x\n", regs[i].name, val);
}
+ clk_disable(i2s->clk_i2s);
+
return 0;
}
diff --git a/sound/soc/tegra/tegra_spdif.c b/sound/soc/tegra/tegra_spdif.c
index 475428cf270..9ff2c601445 100644
--- a/sound/soc/tegra/tegra_spdif.c
+++ b/sound/soc/tegra/tegra_spdif.c
@@ -79,11 +79,15 @@ static int tegra_spdif_show(struct seq_file *s, void *unused)
struct tegra_spdif *spdif = s->private;
int i;
+ clk_enable(spdif->clk_spdif_out);
+
for (i = 0; i < ARRAY_SIZE(regs); i++) {
u32 val = tegra_spdif_read(spdif, regs[i].offset);
seq_printf(s, "%s = %08x\n", regs[i].name, val);
}
+ clk_disable(spdif->clk_spdif_out);
+
return 0;
}