diff options
Diffstat (limited to 'drivers/soundwire/cadence_master.c')
| -rw-r--r-- | drivers/soundwire/cadence_master.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 941809ea00a8..1bfdc1d4fcb1 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -1208,6 +1208,17 @@ static const struct sdw_master_port_ops cdns_port_ops = { }; /** + * sdw_cdns_is_clock_stop: Check clock status + * + * @cdns: Cadence instance + */ +bool sdw_cdns_is_clock_stop(struct sdw_cdns *cdns) +{ + return !!(cdns_readl(cdns, CDNS_MCP_STAT) & CDNS_MCP_STAT_CLK_STOP); +} +EXPORT_SYMBOL(sdw_cdns_is_clock_stop); + +/** * sdw_cdns_probe() - Cadence probe routine * @cdns: Cadence instance */ |