From 0e995aab21dc4a74a4e2daca5df027937cb0b975 Mon Sep 17 00:00:00 2001 From: "Mark A. Greer" Date: Thu, 21 May 2015 15:54:27 -0700 Subject: [PATCH] greybus: gb-audio: Set clock edges to match rt5647 codec requirements The rt5647 codec on speaker and mediabar modules require that the following clock edge settings: ll_wclk_change_edge GB_I2S_MGMT_EDGE_FALLING ll_wclk_tx_edge GB_I2S_MGMT_EDGE_RISING ll_wclk_rx_edge GB_I2S_MGMT_EDGE_FALLING (Those are the setting that work, at least). So make the Greybus audio driver configure the GPBridge with those settings. Signed-off-by: Mark A. Greer Tested-by: John Stultz Signed-off-by: Greg Kroah-Hartman --- drivers/staging/greybus/audio-gb-cmds.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/staging/greybus/audio-gb-cmds.c b/drivers/staging/greybus/audio-gb-cmds.c index daa3181..ffecf3a 100644 --- a/drivers/staging/greybus/audio-gb-cmds.c +++ b/drivers/staging/greybus/audio-gb-cmds.c @@ -134,8 +134,8 @@ int gb_i2s_mgmt_setup(struct gb_connection *connection) (cfg->ll_wclk_role & GB_I2S_MGMT_ROLE_MASTER) && (cfg->ll_wclk_polarity & GB_I2S_MGMT_POLARITY_NORMAL) && (cfg->ll_wclk_change_edge & GB_I2S_MGMT_EDGE_FALLING) && - (cfg->ll_wclk_tx_edge & GB_I2S_MGMT_EDGE_FALLING) && - (cfg->ll_wclk_rx_edge & GB_I2S_MGMT_EDGE_RISING) && + (cfg->ll_wclk_tx_edge & GB_I2S_MGMT_EDGE_RISING) && + (cfg->ll_wclk_rx_edge & GB_I2S_MGMT_EDGE_FALLING) && (cfg->ll_data_offset == 1)) break; } @@ -153,9 +153,9 @@ int gb_i2s_mgmt_setup(struct gb_connection *connection) set_cfg.config.ll_bclk_role = GB_I2S_MGMT_ROLE_MASTER; set_cfg.config.ll_wclk_role = GB_I2S_MGMT_ROLE_MASTER; set_cfg.config.ll_wclk_polarity = GB_I2S_MGMT_POLARITY_NORMAL; - set_cfg.config.ll_wclk_change_edge = GB_I2S_MGMT_EDGE_RISING; - set_cfg.config.ll_wclk_tx_edge = GB_I2S_MGMT_EDGE_FALLING; - set_cfg.config.ll_wclk_rx_edge = GB_I2S_MGMT_EDGE_RISING; + set_cfg.config.ll_wclk_change_edge = GB_I2S_MGMT_EDGE_FALLING; + set_cfg.config.ll_wclk_tx_edge = GB_I2S_MGMT_EDGE_RISING; + set_cfg.config.ll_wclk_rx_edge = GB_I2S_MGMT_EDGE_FALLING; ret = gb_i2s_mgmt_set_configuration(connection, &set_cfg); if (ret) { -- 2.7.4