From: Stephen Warren swarren@nvidia.com
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 --- sound/soc/tegra/tegra_i2s.c | 4 ++++ sound/soc/tegra/tegra_spdif.c | 4 ++++ 2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/sound/soc/tegra/tegra_i2s.c b/sound/soc/tegra/tegra_i2s.c index 0a874fb..8aafc53 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 3426633..e16c4ff 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; }