ASoC: rsnd: rsnd_ssi_run_mods() needs to care ssi_parent_mod

[ Upstream commit 21781e8788 ]

SSI parent mod might be NULL. ssi_parent_mod() needs to care
about it. Otherwise, it uses negative shift.
This patch fixes it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kuninori Morimoto 2017-11-01 07:16:58 +00:00 committed by Greg Kroah-Hartman
parent f7ee900a4f
commit 556787a174

View file

@ -198,10 +198,15 @@ static u32 rsnd_ssi_run_mods(struct rsnd_dai_stream *io)
{
struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
struct rsnd_mod *ssi_parent_mod = rsnd_io_to_mod_ssip(io);
u32 mods;
return rsnd_ssi_multi_slaves_runtime(io) |
1 << rsnd_mod_id(ssi_mod) |
1 << rsnd_mod_id(ssi_parent_mod);
mods = rsnd_ssi_multi_slaves_runtime(io) |
1 << rsnd_mod_id(ssi_mod);
if (ssi_parent_mod)
mods |= 1 << rsnd_mod_id(ssi_parent_mod);
return mods;
}
u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io)