diff options
| author | Mark Brown <broonie@kernel.org> | 2020-03-20 15:33:01 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-03-20 15:33:01 +0000 |
| commit | 4fcf4b1a05efd592115e37bad81ffe4f02660099 (patch) | |
| tree | e88b8a4ef1d62cecb2d183db2b9b5a5190551761 | |
| parent | b4a56753344633d466a38d610d69eb156a5f40e9 (diff) | |
| parent | a9107de4b03604ce0d279315c91b31b8065ee4ea (diff) | |
Merge branch 'topic/ro_wordlength' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into asoc-5.7
| -rw-r--r-- | drivers/soundwire/stream.c | 16 | ||||
| -rw-r--r-- | include/linux/soundwire/sdw.h | 2 |
2 files changed, 11 insertions, 7 deletions
diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 178ae92b8cc1..7fb89a94d9c0 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -167,13 +167,15 @@ static int sdw_program_slave_port_params(struct sdw_bus *bus, return ret; } - /* Program DPN_BlockCtrl1 register */ - ret = sdw_write(s_rt->slave, addr2, (p_params->bps - 1)); - if (ret < 0) { - dev_err(&s_rt->slave->dev, - "DPN_BlockCtrl1 register write failed for port %d\n", - t_params->port_num); - return ret; + if (!dpn_prop->read_only_wordlength) { + /* Program DPN_BlockCtrl1 register */ + ret = sdw_write(s_rt->slave, addr2, (p_params->bps - 1)); + if (ret < 0) { + dev_err(&s_rt->slave->dev, + "DPN_BlockCtrl1 register write failed for port %d\n", + t_params->port_num); + return ret; + } } /* Program DPN_SampleCtrl1 register */ diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index b451bb622335..2dfe14ed3bb0 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -284,6 +284,7 @@ struct sdw_dpn_audio_mode { * @max_async_buffer: Number of samples that this port can buffer in * asynchronous modes * @block_pack_mode: Type of block port mode supported + * @read_only_wordlength: Read Only wordlength field in DPN_BlockCtrl1 register * @port_encoding: Payload Channel Sample encoding schemes supported * @audio_modes: Audio modes supported */ @@ -307,6 +308,7 @@ struct sdw_dpn_prop { u32 modes; u32 max_async_buffer; bool block_pack_mode; + bool read_only_wordlength; u32 port_encoding; struct sdw_dpn_audio_mode *audio_modes; }; |