diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2019-05-22 22:47:23 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2019-05-27 08:23:00 +0300 |
| commit | 53d2e9c3773478d00d1851cc048d7ef9e60c7b6d (patch) | |
| tree | 6da82c548ad8a1d1ff8c5ae2d731f76f281152b8 | |
| parent | 3424305b8be456a8e23c951b8c9aebad0c765ff7 (diff) | |
| download | linux-53d2e9c3773478d00d1851cc048d7ef9e60c7b6d.tar.xz | |
soundwire: mipi-disco: fix clock stop modes
Fix support for clock_stop_mode0 and 1. The existing code uses a
bitmask between enums, one of which being zero. Or-ing with zero is
not very useful in general...Fix by or-ing with a BIT dependent on the
enum value.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/soundwire/mipi_disco.c | 4 | ||||
| -rw-r--r-- | include/linux/soundwire/sdw.h | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/soundwire/mipi_disco.c b/drivers/soundwire/mipi_disco.c index b1770af43fa8..efb87ee0e7fc 100644 --- a/drivers/soundwire/mipi_disco.c +++ b/drivers/soundwire/mipi_disco.c @@ -50,11 +50,11 @@ int sdw_master_read_prop(struct sdw_bus *bus) if (fwnode_property_read_bool(link, "mipi-sdw-clock-stop-mode0-supported")) - prop->clk_stop_mode = SDW_CLK_STOP_MODE0; + prop->clk_stop_modes |= BIT(SDW_CLK_STOP_MODE0); if (fwnode_property_read_bool(link, "mipi-sdw-clock-stop-mode1-supported")) - prop->clk_stop_mode |= SDW_CLK_STOP_MODE1; + prop->clk_stop_modes |= BIT(SDW_CLK_STOP_MODE1); fwnode_property_read_u32(link, "mipi-sdw-max-clock-frequency", diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index c6ded0d7a9f2..0e3fdd03e589 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -364,7 +364,7 @@ struct sdw_slave_prop { /** * struct sdw_master_prop - Master properties * @revision: MIPI spec version of the implementation - * @clk_stop_mode: Bitmap for Clock Stop modes supported + * @clk_stop_modes: Bitmap, bit N set when clock-stop-modeN supported * @max_clk_freq: Maximum Bus clock frequency, in Hz * @num_clk_gears: Number of clock gears supported * @clk_gears: Clock gears supported @@ -379,7 +379,7 @@ struct sdw_slave_prop { */ struct sdw_master_prop { u32 revision; - enum sdw_clk_stop_mode clk_stop_mode; + u32 clk_stop_modes; u32 max_clk_freq; u32 num_clk_gears; u32 *clk_gears; |