diff options
| author |   Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2022-07-14 09:10:41 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2022-08-17 13:00:53 +0100 |
| commit | 133547a1ef16cbdadb5c0023e5917924ae326dcc (patch) | |
| tree | 47f001e551c2b9695abc1d9732f26c368b1ce196 /drivers/soundwire | |
| parent | soundwire: add read_ping_status helper definition in manager ops (diff) | |
| download | linux-dev-133547a1ef16cbdadb5c0023e5917924ae326dcc.tar.xz linux-dev-133547a1ef16cbdadb5c0023e5917924ae326dcc.zip | |
soundwire: intel/cadence: expose PING status in manager ops
Simple indirection to existing register.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20220714011043.46059-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/soundwire')
| -rw-r--r-- | drivers/soundwire/cadence_master.c | 8 | ||||
| -rw-r--r-- | drivers/soundwire/cadence_master.h | 2 | ||||
| -rw-r--r-- | drivers/soundwire/intel.c | 1 |
3 files changed, 11 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c index 4fbb19557f5e..615b0b63a3e1 100644 --- a/drivers/soundwire/cadence_master.c +++ b/drivers/soundwire/cadence_master.c @@ -756,6 +756,14 @@ cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num) } EXPORT_SYMBOL(cdns_reset_page_addr); +u32 cdns_read_ping_status(struct sdw_bus *bus) +{ + struct sdw_cdns *cdns = bus_to_cdns(bus); + + return cdns_readl(cdns, CDNS_MCP_SLAVE_STAT); +} +EXPORT_SYMBOL(cdns_read_ping_status); + /* * IRQ handling */ diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h index 595d72c15d97..ca9e805bab88 100644 --- a/drivers/soundwire/cadence_master.h +++ b/drivers/soundwire/cadence_master.h @@ -177,6 +177,8 @@ enum sdw_command_response cdns_xfer_msg_defer(struct sdw_bus *bus, struct sdw_msg *msg, struct sdw_defer *defer); +u32 cdns_read_ping_status(struct sdw_bus *bus); + int cdns_bus_conf(struct sdw_bus *bus, struct sdw_bus_params *params); int cdns_set_sdw_stream(struct snd_soc_dai *dai, diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 89d1d0d021fc..a5965e8827b9 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1262,6 +1262,7 @@ static struct sdw_master_ops sdw_intel_ops = { .set_bus_conf = cdns_bus_conf, .pre_bank_switch = intel_pre_bank_switch, .post_bank_switch = intel_post_bank_switch, + .read_ping_status = cdns_read_ping_status, }; static int intel_init(struct sdw_intel *sdw) |