linux-kernel - [RFC 04/14] SoundWire: Add device

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Date:   Fri, 21 Oct 2016 18:11:02 +0530
From:   Hardik Shah <hardik.t.shah@...el.com>
To:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Cc:     tiwai@...e.de, pierre-louis.bossart@...ux.intel.com,
        broonie@...nel.org, lgirdwood@...il.com, plai@...eaurora.org,
        patches.audio@...el.com, Hardik Shah <hardik.t.shah@...el.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>
Subject: [RFC 04/14] SoundWire: Add device_id table for SoundWire bus

Add device_id table for the SoundWire Master and Slave devices
and driver registration.

Signed-off-by: Hardik Shah <hardik.t.shah@...el.com>
Signed-off-by: Sanyog Kale <sanyog.r.kale@...el.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
---
 include/linux/mod_devicetable.h |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index ed84c07..f443152 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -672,5 +672,18 @@ struct fsl_mc_device_id {
 	const char obj_type[16];
 };
 
+/* SoundWire */
+#define SOUNDWIRE_NAME_SIZE       32
+#define SOUNDWIRE_MODULE_PREFIX "sdw:"
+
+struct sdw_slave_id {
+	char name[SOUNDWIRE_NAME_SIZE];
+	kernel_ulong_t driver_data;      /* Data private to the driver */
+};
+
+struct sdw_master_id {
+	char name[SOUNDWIRE_NAME_SIZE];
+	kernel_ulong_t driver_data;     /* Data private to the driver */
+};
 
 #endif /* LINUX_MOD_DEVICETABLE_H */
-- 
1.7.9.5