diff options
Diffstat (limited to 'sound/soc/soc-cache.c')
| -rw-r--r-- | sound/soc/soc-cache.c | 126 |
1 files changed, 30 insertions, 96 deletions
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index abb0243f3adf..d7bffdd033b0 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -20,6 +20,30 @@ #include <trace/events/asoc.h> +#if defined(CONFIG_SPI_MASTER) +static int do_spi_write(void *control_data, const void *msg, + int len) +{ + struct spi_device *spi = control_data; + struct spi_transfer t; + struct spi_message m; + + if (len <= 0) + return 0; + + spi_message_init(&m); + memset(&t, 0, sizeof t); + + t.tx_buf = msg; + t.len = len; + + spi_message_add_tail(&t, &m); + spi_sync(spi, &m); + + return len; +} +#endif + static int do_hw_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value, const void *data, int len) { @@ -89,27 +113,12 @@ static int snd_soc_4_12_write(struct snd_soc_codec *codec, unsigned int reg, static int snd_soc_4_12_spi_write(void *control_data, const char *data, int len) { - struct spi_device *spi = control_data; - struct spi_transfer t; - struct spi_message m; u8 msg[2]; - if (len <= 0) - return 0; - msg[0] = data[1]; msg[1] = data[0]; - spi_message_init(&m); - memset(&t, 0, sizeof t); - - t.tx_buf = &msg[0]; - t.len = len; - - spi_message_add_tail(&t, &m); - spi_sync(spi, &m); - - return len; + return do_spi_write(control_data, msg, len); } #else #define snd_soc_4_12_spi_write NULL @@ -136,27 +145,12 @@ static int snd_soc_7_9_write(struct snd_soc_codec *codec, unsigned int reg, static int snd_soc_7_9_spi_write(void *control_data, const char *data, int len) { - struct spi_device *spi = control_data; - struct spi_transfer t; - struct spi_message m; u8 msg[2]; - if (len <= 0) - return 0; - msg[0] = data[0]; msg[1] = data[1]; - spi_message_init(&m); - memset(&t, 0, sizeof t); - - t.tx_buf = &msg[0]; - t.len = len; - - spi_message_add_tail(&t, &m); - spi_sync(spi, &m); - - return len; + return do_spi_write(control_data, msg, len); } #else #define snd_soc_7_9_spi_write NULL @@ -184,27 +178,12 @@ static unsigned int snd_soc_8_8_read(struct snd_soc_codec *codec, static int snd_soc_8_8_spi_write(void *control_data, const char *data, int len) { - struct spi_device *spi = control_data; - struct spi_transfer t; - struct spi_message m; u8 msg[2]; - if (len <= 0) - return 0; - msg[0] = data[0]; msg[1] = data[1]; - spi_message_init(&m); - memset(&t, 0, sizeof t); - - t.tx_buf = &msg[0]; - t.len = len; - - spi_message_add_tail(&t, &m); - spi_sync(spi, &m); - - return len; + return do_spi_write(control_data, msg, len); } #else #define snd_soc_8_8_spi_write NULL @@ -232,28 +211,13 @@ static unsigned int snd_soc_8_16_read(struct snd_soc_codec *codec, static int snd_soc_8_16_spi_write(void *control_data, const char *data, int len) { - struct spi_device *spi = control_data; - struct spi_transfer t; - struct spi_message m; u8 msg[3]; - if (len <= 0) - return 0; - msg[0] = data[0]; msg[1] = data[1]; msg[2] = data[2]; - spi_message_init(&m); - memset(&t, 0, sizeof t); - - t.tx_buf = &msg[0]; - t.len = len; - - spi_message_add_tail(&t, &m); - spi_sync(spi, &m); - - return len; + return do_spi_write(control_data, msg, len); } #else #define snd_soc_8_16_spi_write NULL @@ -365,28 +329,13 @@ static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg, static int snd_soc_16_8_spi_write(void *control_data, const char *data, int len) { - struct spi_device *spi = control_data; - struct spi_transfer t; - struct spi_message m; u8 msg[3]; - if (len <= 0) - return 0; - msg[0] = data[0]; msg[1] = data[1]; msg[2] = data[2]; - spi_message_init(&m); - memset(&t, 0, sizeof t); - - t.tx_buf = &msg[0]; - t.len = len; - - spi_message_add_tail(&t, &m); - spi_sync(spi, &m); - - return len; + return do_spi_write(control_data, msg, len); } #else #define snd_soc_16_8_spi_write NULL @@ -432,29 +381,14 @@ static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg, static int snd_soc_16_16_spi_write(void *control_data, const char *data, int len) { - struct spi_device *spi = control_data; - struct spi_transfer t; - struct spi_message m; u8 msg[4]; - if (len <= 0) - return 0; - msg[0] = data[0]; msg[1] = data[1]; msg[2] = data[2]; msg[3] = data[3]; - spi_message_init(&m); - memset(&t, 0, sizeof t); - - t.tx_buf = &msg[0]; - t.len = len; - - spi_message_add_tail(&t, &m); - spi_sync(spi, &m); - - return len; + return do_spi_write(control_data, msg, len); } #else #define snd_soc_16_16_spi_write NULL |