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ASoC: tegra: ensure clocks are enabled when touching registers

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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>
This commit is contained in:
Stephen Warren 2012-03-30 17:07:17 -06:00 committed by Mark Brown
parent f0cdcf3ab6
commit cd1506736f
2 changed files with 8 additions and 0 deletions
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4
sound/soc/tegra/tegra_i2s.c
View File

@ -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;
}

4
sound/soc/tegra/tegra_spdif.c
View File

@ -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;
}