diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-11-01 06:45:54 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-01-25 16:03:16 -0500 |
commit | 099b8e7361512ebfef2dd51f2e81126cc93c22e9 (patch) | |
tree | ab2958a2ff31c34ed40cd49d5814fe52a83261d6 /drivers/media/video/wm8739.c | |
parent | 842441d42de8f22d8f530b19da984df81fed8f7e (diff) |
V4L/DVB (6738): wm8739: codingstyle cleanups
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/wm8739.c')
-rw-r--r-- | drivers/media/video/wm8739.c | 65 |
1 files changed, 38 insertions, 27 deletions
diff --git a/drivers/media/video/wm8739.c b/drivers/media/video/wm8739.c index 3d9e709833c5..ac4fee1d0251 100644 --- a/drivers/media/video/wm8739.c +++ b/drivers/media/video/wm8739.c | |||
@@ -36,7 +36,7 @@ MODULE_DESCRIPTION("wm8739 driver"); | |||
36 | MODULE_AUTHOR("T. Adachi, Hans Verkuil"); | 36 | MODULE_AUTHOR("T. Adachi, Hans Verkuil"); |
37 | MODULE_LICENSE("GPL"); | 37 | MODULE_LICENSE("GPL"); |
38 | 38 | ||
39 | static int debug = 0; | 39 | static int debug; |
40 | static unsigned short normal_i2c[] = { 0x34 >> 1, 0x36 >> 1, I2C_CLIENT_END }; | 40 | static unsigned short normal_i2c[] = { 0x34 >> 1, 0x36 >> 1, I2C_CLIENT_END }; |
41 | 41 | ||
42 | module_param(debug, int, 0644); | 42 | module_param(debug, int, 0644); |
@@ -76,12 +76,10 @@ static int wm8739_write(struct i2c_client *client, int reg, u16 val) | |||
76 | 76 | ||
77 | v4l_dbg(1, debug, client, "write: %02x %02x\n", reg, val); | 77 | v4l_dbg(1, debug, client, "write: %02x %02x\n", reg, val); |
78 | 78 | ||
79 | for (i = 0; i < 3; i++) { | 79 | for (i = 0; i < 3; i++) |
80 | if (i2c_smbus_write_byte_data(client, (reg << 1) | | 80 | if (i2c_smbus_write_byte_data(client, |
81 | (val >> 8), val & 0xff) == 0) { | 81 | (reg << 1) | (val >> 8), val & 0xff) == 0) |
82 | return 0; | 82 | return 0; |
83 | } | ||
84 | } | ||
85 | v4l_err(client, "I2C: cannot write %03x to register R%d\n", val, reg); | 83 | v4l_err(client, "I2C: cannot write %03x to register R%d\n", val, reg); |
86 | return -1; | 84 | return -1; |
87 | } | 85 | } |
@@ -168,7 +166,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = { | |||
168 | .default_value = 58880, | 166 | .default_value = 58880, |
169 | .flags = 0, | 167 | .flags = 0, |
170 | .type = V4L2_CTRL_TYPE_INTEGER, | 168 | .type = V4L2_CTRL_TYPE_INTEGER, |
171 | },{ | 169 | }, { |
172 | .id = V4L2_CID_AUDIO_MUTE, | 170 | .id = V4L2_CID_AUDIO_MUTE, |
173 | .name = "Mute", | 171 | .name = "Mute", |
174 | .minimum = 0, | 172 | .minimum = 0, |
@@ -177,7 +175,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = { | |||
177 | .default_value = 1, | 175 | .default_value = 1, |
178 | .flags = 0, | 176 | .flags = 0, |
179 | .type = V4L2_CTRL_TYPE_BOOLEAN, | 177 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
180 | },{ | 178 | }, { |
181 | .id = V4L2_CID_AUDIO_BALANCE, | 179 | .id = V4L2_CID_AUDIO_BALANCE, |
182 | .name = "Balance", | 180 | .name = "Balance", |
183 | .minimum = 0, | 181 | .minimum = 0, |
@@ -191,7 +189,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = { | |||
191 | 189 | ||
192 | /* ------------------------------------------------------------------------ */ | 190 | /* ------------------------------------------------------------------------ */ |
193 | 191 | ||
194 | static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg) | 192 | static int wm8739_command(struct i2c_client *client, unsigned cmd, void *arg) |
195 | { | 193 | { |
196 | struct wm8739_state *state = i2c_get_clientdata(client); | 194 | struct wm8739_state *state = i2c_get_clientdata(client); |
197 | 195 | ||
@@ -201,21 +199,26 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg | |||
201 | u32 audiofreq = *(u32 *)arg; | 199 | u32 audiofreq = *(u32 *)arg; |
202 | 200 | ||
203 | state->clock_freq = audiofreq; | 201 | state->clock_freq = audiofreq; |
204 | wm8739_write(client, R9, 0x000); /* de-activate */ | 202 | /* de-activate */ |
203 | wm8739_write(client, R9, 0x000); | ||
205 | switch (audiofreq) { | 204 | switch (audiofreq) { |
206 | case 44100: | 205 | case 44100: |
207 | wm8739_write(client, R8, 0x020); /* 256fps, fs=44.1k */ | 206 | /* 256fps, fs=44.1k */ |
207 | wm8739_write(client, R8, 0x020); | ||
208 | break; | 208 | break; |
209 | case 48000: | 209 | case 48000: |
210 | wm8739_write(client, R8, 0x000); /* 256fps, fs=48k */ | 210 | /* 256fps, fs=48k */ |
211 | wm8739_write(client, R8, 0x000); | ||
211 | break; | 212 | break; |
212 | case 32000: | 213 | case 32000: |
213 | wm8739_write(client, R8, 0x018); /* 256fps, fs=32k */ | 214 | /* 256fps, fs=32k */ |
215 | wm8739_write(client, R8, 0x018); | ||
214 | break; | 216 | break; |
215 | default: | 217 | default: |
216 | break; | 218 | break; |
217 | } | 219 | } |
218 | wm8739_write(client, R9, 0x001); /* activate */ | 220 | /* activate */ |
221 | wm8739_write(client, R9, 0x001); | ||
219 | break; | 222 | break; |
220 | } | 223 | } |
221 | 224 | ||
@@ -239,7 +242,8 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg | |||
239 | } | 242 | } |
240 | 243 | ||
241 | case VIDIOC_G_CHIP_IDENT: | 244 | case VIDIOC_G_CHIP_IDENT: |
242 | return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8739, 0); | 245 | return v4l2_chip_ident_i2c_client(client, |
246 | arg, V4L2_IDENT_WM8739, 0); | ||
243 | 247 | ||
244 | case VIDIOC_LOG_STATUS: | 248 | case VIDIOC_LOG_STATUS: |
245 | v4l_info(client, "Frequency: %u Hz\n", state->clock_freq); | 249 | v4l_info(client, "Frequency: %u Hz\n", state->clock_freq); |
@@ -268,7 +272,8 @@ static int wm8739_probe(struct i2c_client *client) | |||
268 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | 272 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
269 | return -EIO; | 273 | return -EIO; |
270 | 274 | ||
271 | v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); | 275 | v4l_info(client, "chip found @ 0x%x (%s)\n", |
276 | client->addr << 1, client->adapter->name); | ||
272 | 277 | ||
273 | state = kmalloc(sizeof(struct wm8739_state), GFP_KERNEL); | 278 | state = kmalloc(sizeof(struct wm8739_state), GFP_KERNEL); |
274 | if (state == NULL) { | 279 | if (state == NULL) { |
@@ -284,17 +289,23 @@ static int wm8739_probe(struct i2c_client *client) | |||
284 | state->clock_freq = 48000; | 289 | state->clock_freq = 48000; |
285 | i2c_set_clientdata(client, state); | 290 | i2c_set_clientdata(client, state); |
286 | 291 | ||
287 | /* initialize wm8739 */ | 292 | /* Initialize wm8739 */ |
288 | wm8739_write(client, R15, 0x00); /* reset */ | 293 | |
289 | wm8739_write(client, R5, 0x000); /* filter setting, high path, offet clear */ | 294 | /* reset */ |
290 | wm8739_write(client, R6, 0x000); /* ADC, OSC, Power Off mode Disable */ | 295 | wm8739_write(client, R15, 0x00); |
291 | wm8739_write(client, R7, 0x049); /* Digital Audio interface format */ | 296 | /* filter setting, high path, offet clear */ |
292 | /* Enable Master mode */ | 297 | wm8739_write(client, R5, 0x000); |
293 | /* 24 bit, MSB first/left justified */ | 298 | /* ADC, OSC, Power Off mode Disable */ |
294 | wm8739_write(client, R8, 0x000); /* sampling control */ | 299 | wm8739_write(client, R6, 0x000); |
295 | /* normal, 256fs, 48KHz sampling rate */ | 300 | /* Digital Audio interface format: |
296 | wm8739_write(client, R9, 0x001); /* activate */ | 301 | Enable Master mode, 24 bit, MSB first/left justified */ |
297 | wm8739_set_audio(client); /* set volume/mute */ | 302 | wm8739_write(client, R7, 0x049); |
303 | /* sampling control: normal, 256fs, 48KHz sampling rate */ | ||
304 | wm8739_write(client, R8, 0x000); | ||
305 | /* activate */ | ||
306 | wm8739_write(client, R9, 0x001); | ||
307 | /* set volume/mute */ | ||
308 | wm8739_set_audio(client); | ||
298 | return 0; | 309 | return 0; |
299 | } | 310 | } |
300 | 311 | ||